hypoechoic lesion in breast hypoechoic lesion in breast

This article looks at treatment, life expectancy, Papillary breast cancer is a rare form of breast cancer that is characterized by long, thin tumors similar to finger-shaped growths. ", National Institute of Biomedical Imaging and Bioengineering: "Ultrasound.". The receptors are proteins that respond to the hormones estrogen and progesterone by instructing the cancer cells to grow. They appear as light gray on the ultrasound. However, a healthcare provider should evaluate and diagnose any changes that cause you concern. it is minimally heterogeneous. That contrast helps radiologists detect small cancers. a wait-and-see approach, especially in younger females Cysts are filled with air, pus, or fluids, and are usually benign. Irregular hypoechoic masses in the breast do not always indicate malignancies. The lesions may show infiltration into the surrounding fatty tissue or other features associated with malignancy. CT NCAP (neck, chest, abdomen and pelvis), left ventricular systolic and diastolic function, ultrasound-guided musculoskeletal interventions, gluteus minimus/medius tendon calcific tendinopathy barbotage, lateral cutaneous femoral nerve of the thigh injection, common peroneal (fibular) nerve injection, metatarsophalangeal joint (MTPJ) injection. Some lifestyle choices can make a big difference when it comes to your mental and physical well-being. They show up as hypoechoic masses on an ultrasound. Cysts filled with air or fluid are usually hyperechoic and are rarely cancerous. Dtsch Arztebl Int. 2005-2023 Healthline Media a Red Ventures Company. There's no way to completely predict or prevent breast cancer. Fibroid tumors of the uterus are often found during ultrasound exams. However, menstrual-related tenderness and swelling tends to go down while true breast lesions remain in place. Healing time depends on the type of tumor and treatment. Other factors include the following: When staging a persons breast cancer, doctors will determine whether it has spread to nearby lymph nodes. WebMD does not provide medical advice, diagnosis or treatment. Importantly, cancer treatments are advancing all of the time, and each persons outlook is different. Other factors include the location of the tumor, whether it has spread outside of the breast, the appearance of the cancer cells, and the presence of hormone receptors. DOI: 10.4103/0971-3026.54887. Tumors form when cells continue growing despite being told by the body to stop. Like ping sound used by a submarine sonar? Scattered fibroglandular breast tissue is a benign or noncancerous condition that can cause one or both breasts to feel lumpy. A doctor may discover a breast lesion during an imaging test, such as a routine mammogram, or an ultrasound that was initially ordered for another reason. On mammogram they appear as masses that can be associated with microcalcifications. American Cancer Society. Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available. Other treatment options may include surgery, radiation therapy, or chemotherapy. Pseudoangiomatous stromal hyperplasia (PASH) is a rare, benign breast disease. 2019 Aug 9;116(33-34):565-574. doi:10.3238/arztebl.2019.0565. If large enough, they can be felt during a routine self-exam or a clinical exam. Press ESC to cancel. DOI: 10.4103/0970-9371.112658, Wilde S, et al. At-home hormone tests are a great starting point to get the health information you need. Findings are classified based on the risk of breast cancer, with a BI-RADS 2 lesion being benign, or not cancerous, and BI-RADS 6 representing a lesion that is biopsy-proven to be malignant. Abnormal tissue also looks different from healthy tissue on a sonogram. How do I choose between my boyfriend and my best friend? The nucleus (center) of cancer cells can be striking, with nuclei that are larger and irregular in shape. Solid breast nodules: use of sonography to distinguish between benign and malignant lesions. This means they light up quickly from the contrast when the image is taken, but then wash out (dim) rapidly too. Characteristics of common solid liver lesions and recommendations for diagnostic workup. it does show some enhanced through sound transmissionbut, given that it is palpable, tender,and lobular, its biopsy is warranted conclusion :suspicious. It has irregular borders, and may appear spiculated. Which is correct poinsettia or poinsettia? The majority of breast lesions detected by ultrasound are hypoechoic. Learn how we can help. However, healthcare professionals also take into account several other factors, including: A doctor will consider all of these factors as well as the persons age, general health, and personal preferences when recommending treatment options. Doctors grade cancer cells according to how similar they appear to noncancerous cells under a microscope. 6.22 The mammographic mass identified in Fig. Cancerous masses may contain more than one type of tissue. Lesions occur due to any disease or injury. Since it is a circumscribed mass surgical removal should not be a problem. If theres any doubt about a diagnosis, your doctor may recommend surgery to remove it. The cookie is used to store the user consent for the cookies in the category "Performance". How to Reduce Your Risk of Breast Cancer: 10 Lifestyle Recommendations, a wait-and-see approach, especially in younger females, aspiration to remove fluids inside the lesion, surgical removal in older females, or if diagnostic testing reveals possible signs of cancer, or the results are inconclusive. An ultrasound cannot tell whether a hypoechoic mass is benign or malignant, or what has caused it. Radiology. DOI: Halls S. (2018). Metastasis is when cancer spreads from its original location in the breast to distant parts of the body, such as the liver, lungs, brain, or bones. Any medical information published on this website is not intended as a substitute for informed medical advice and you should not take any action before consulting with a healthcare professional. Ultrasound is good for dense breast tissue because it tends to show cancers as dark, and the glandular tissue as lighter in color. breast angiomas 1. breast hemangioma: can contain hyperechoic components. Fibrosis and simple cysts in the breast. MR imaging can be used to identify pectoralis muscle or chest wall invasion (Fig. These cells form lumps but do not lead to cancer. ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. The 6 Best At-Home Hormone Test Providers in 2023, less echogenic (absorbs more ultrasound waves), more echogenic (reflects more ultrasound waves), appears gray or darker than surrounding tissue, appears lighter or brighter than surrounding tissue, made up of muscle or fibrous connective tissue, a fuzzy or irregular outline rather than smooth, an angular shape rather than rounded or oval, being deeper or taller than they are wide, having both hypoechoic and hyperechoic lines radiating from its surface. What does it mean to have a hypoechoic nodule in breast? Breast ultrasound. Healthline Media does not provide medical advice, diagnosis, or treatment. When a nodule appears hypoechoic rather than anechoic, radiologists know it's likely solid and not liquid-filled. The more dense your breasts are, the higher your risk. They can be mobile but are often fixed, meaning they feel like they are attached to the skin or nearby tissue. Stavros AT, Thickman D, Rapp CL et-al. The mass has a well-circumscribed margin and oval shape, as well as a parallel, wider-than-tall orientation. Ultrasound uses SOUND, sound-waves that bounce back as an echo. Benign breast lesions on the other hand tend to appear on ultrasound with: The lesion is encapsulated by a neighboring breast tissue, and the mass itself does not invade and attack, but rather pushes the tissue. However, these figures are only estimates, and experts based them on data from 20102017. The sample cells are examined under a microscope to determine if cancer is present or not. All rights reserved. Some of these diseases such as inflammation and trauma-related breast lesions could be suspected from a patient's symptoms and personal history. It does not store any personal data. Ultrasound rarely shows frank distortion after benign breast biopsy but can reveal an irregular hypoechoic mass with posterior shadowing. Myofibroblastoma of the breast. : A pictorial essay. This means the area is solid. The edges of the mass also may appear fuzzy or indistinct. View larger version (114K) Fig. Doctors use multiple tests and examinations to evaluate the specific characteristics of a persons breast cancer. BI-RADS 4c with hypoechoic spiculated mass and calcification. Necessary cookies are absolutely essential for the website to function properly. Management BI-RADS assessment category 4, suspicious; biopsy should be considered. For superficially located breast lesions with a single and rapid growth, nodular fasciitis may be considered in the differential diagnosis of benign entities resembling malignant tumors on breast imaging. Dimpling, dent or puckering skin on a . The pathologist looks at the size and shape of the cells, as well as their arrangement if the tissue sample was taken by using a core needle biopsy. What to know about multifocal breast cancer. The majority of breast lesions detected by ultrasound are hypoechoic. M refers to whether the cancer is metastatic, which means if it has spread to distant parts of the body. In patients under the age of 30 years,ultrasound is the primary imaging modality. Breast density and your mammogram report. Characterization of liver lesions by real-time contrast-enhanced ultrasonography. Unable to process the form. angiomyolipoma of the breast 3: rare lesion. Ultrasound-guided core needle biopsy was performed, and histological examination showed a granulomatous structure comprising mononuclear inflammatory cell infiltration accompanied by foam cells without any . A total of 112 men (125 breast masses) with preoperative breast ultrasonography (US) were . Despite the benign ultrasound appearance, this was a new finding on mammography and ultrasound guided biopsy was performed. At the time the article was created Frank Gaillard had no recorded disclosures. Healthcare professionals classify cancer cells that are close to resembling healthy cells as being low grade or well-differentiated. This mass is typical of a fibroadenoma, though its sonographic appearance is not pathognomonic. whether the cancer is ER-positive, PR-positive, or HER2-positive for example, surgery, which may involve a mastectomy, removal of one or both breasts, or the removal of any affected lymph nodes, the location of the cancer and whether it has spread. What does breast cancer look like? (2015). Solid hypoechoic lesions with irregular and poorly defined margins and with shadowing and vertical orientation are considered to be probably malignant. NX means that the doctor was unable to assess the lymph node status. If a doctor suspects the lesion may be malignant, a core needle biopsy may be used instead. Breast Calcifications on Your Mammogram: What to Know. They typically appear as circumscribed masses on mammography, but they can be more accurately evaluated on ultrasound. He is an associate professor of clinical medicine at Weill Cornell Medical College and attending physician in the Department of Hematology and Oncology at the New York Presbyterian Weill Cornell Medical Center. Which is better? Centers for Disease Control and Prevention (CDC). . Reference article, Radiopaedia.org (Accessed on 04 Mar 2023) https://doi.org/10.53347/rID-1014. According to the BI-RADS lexicon [1], a hyperechoic lesion is defined by an echogenicity greater than that of subcutaneous fat or equal to that of fibroglandular parenchyma. ", CLINICAL THYROIDOLOGY FOR THE PUBLIC: "THYROID NODULES. Ultrasound studies of a Hypoechoic Mass examine margins, shape and echogenicity. If youre under the age of 50 and are considered at higher risk, talk with a doctor about when and how often you should undergo screening. This term means "without echoes." a: breast ultrasound in a young woman to explore a palpable mass. Follow-up scans help to ensure that if there is a new growth, its caught and treated as early as possible. They're also not likely to be painful, though they can be in some cases. However, at sonography, only 0.6 to 5.6% of breast masses are echogenic and the majority of these lesions are benign. We avoid using tertiary references. Two contiguous lesions are visible, one hypoechoic, thick-walled with focal thickening, and with heterogeneous contents, suggesting hemorrhage and/or internal necrosis; b: histology showing an invasive ductal carcinoma with marked necrosis. In contrast to breast cancer tumors, benign lumps are often squishy. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Benign breast cells may or may not look identical to normal breast cells, depending on the type of mass, but neither do they look like cancer cells. This is called liver metastasis. Learn more. It is also used to help diagnose masses found on a mammogram. MX means that the doctor was unable to assess metastasis. Sclerosing adenosis (SA) of the breast has sonographic features similar to some malignant tumors, [13] and can present as a solid hypoechoic mass with unclear borders, irregular morphology, and . T1: The tumor is 2 cm or less in diameter. Doru Paul, MD, is triple board-certified in medical oncology, hematology, and internal medicine. These are relatively common findings. They are an abnormal change in a tissue or organ. Three cases had phyllodes tumors and two cases had ductal carcinoma in situ (DCIS). That's also true for an open biopsy done by making a cut through the skin to remove the sample. You can't really move them around by pushing on them. Doctors dont like to do mammograms first, in really young women, because of radiation. Objective The purpose of this study was to determine clinical and ultrasonographic characteristics of male breast tumors. On ultrasound, a breast cancer tumor is often seen as hypoechoic. in 1995. Thats a birads 5 cancer which I would core-needle biopsy. Notice an unusual lump? More than 20 percent of adults have a benign liver hypoechoic mass. Breast changes over the course of a woman's life are common. Health care providers might suspect cancer if the lesion does not appear normal or meets certain criteria, such as if it has dark shadowing on one end, contains calcified spots, or shows some other unusual, well-defined . How are breast lesions typicallytreated? It acts like a flashlight beam that shows shapes and shadows inside the body. approximately, 0.5% of malignant . It isnt easy to tell the difference between benign and malignant masses. 7 How is sonomammography used to diagnose breast cancer? The lesion showed . Can poor sleep impact your weight loss goals? Masses that affect organs, blood vessels, and nerves are commonly removed. PMID:30580368. and spiculation, which probably has the highest positive predictive value for malignant breast cancer. Usually, special genetic studies are done as well. Diagnostic ultrasound uses sound wave technology to look at parts of your body, including: Certain words are used to describe areas imaged with ultrasound. In all cases of lesions other than those which are absolutely benign, real time review by the radiologist is mandatory. High grade, or poorly differentiated, cancer cells appear very different from normal cells and tend to grow faster. that ultrasound is showing a definite cancer. Harmonics can also be used to image cysts or ducts and can help determine if a "lesion" is a true finding or not. Depending on the type of lesion, such abnormal areas of breast tissue may feel rubbery or firm to the touch. Options may include:. HER2 status refers to whether breast cancer cells are producing too much of a protein called human epidermal growth factor receptor 2 (HER2). [ 3] Gynecomastia and invasive ductal carcinoma (IDC) are classified as the usual male breast masses; other circumstances can then be considered unusual lesions. If a doctor suspects that a thyroid nodule may . These terms are used interchangeably. They may order additional diagnostic exams, such as imaging tests, to help determine whether the lesion is cancerous (malignant), and if treatment is required. Some benign types are: A cluster of hypoechoic masses in the liver may be caused by cancer that has spread from another part of the body. This doesn't seem great to me. About 40 percent of women have this type of breast tissue. It makes up less, Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. Solid mass: Have your doctor show you the image that confirmed the above mass. Two distinct types of linear distribution in nonmass enhancement at breast MR imaging: Difference in positive predictive value between linear and branching patterns, Can Combined Screening of Ultrasound and Elastography Improve Breast Cancer Identification Compared with MRI in Women with Dense Breasts-a Multicenter Prospective Study, Discrimination of malignant and benign breast masses using automatic segmentation and features extracted from dynamic contrastenhanced and diffusionweighted MRI. Article. Regular breast exams and screening are important. Doctors describe breast cancer that has receptors for estrogen as being estrogen receptor-positive, or ER-positive. Understand the treatment options: Treatment for hypoechoic lesions depends on the cause and severity of the abnormality. An early diagnosis is the best way to have a good outcome. We also review treatment options for breast lesions. Benign tumors are usually all one type of tissue. Many women with fibroids have no symptoms. DOI: Gerst S, et al. Larger tumors tend to indicate later stage breast cancer, which may be more difficult to treat. 5. According to the American Cancer Society, most females develop noncancerous breast conditions at some point in their lives. Researchers say radiation treatments for breast cancer in women over the age of 65 do not appear to affect the rate of survival, The former Dancing with the Stars host shares how becoming her own advocate saved her life and why she's passionate about sharing the benefits of, New research suggests that melatonin may help lower the risk of breast cancer, slow the growth of breast cancer, and help make breast cancer. To confirm the breast cancer stage, they assess several different factors, including tumor size. Most benign and malignant masses in the breast are hypoechoic. Benign Breast Changes That Mimic Breast Cancer. The cells may be arranged in clusters. Short description: Oth abn and inconclusive findings on dx imaging of breast The 2023 edition of ICD-10-CM R92.8 became effective on October 1, 2022. These rounded lesions are the result of accelerated cell . Symptoms and diagnosis of phyllodes tumors of the breast. It is difficult to comment more specifically on the significance of 'hypoechoic' without . What do hyperechoic and hypoechoic mean? (2013). Fibroadenomas are common in young women and may sometimes disappear by themselves, so they are usually only removed if they are large or increasing in size. Can cancerous breast tumors be prevented? Fatty breast tissue appears grey or black on images. Hypoechoic masses that are benign dont normally grow back once theyre removed. Those symptoms aren't associated with cancer. Hypoechoic thyroid nodules appear dark relative to the surrounding tissue. A machine records the sound waves. The diagnostic accuracy of ultrasound for the 219 DCIS lesions was 81.7% (179/219). Beyond a physical exam, they may use mammograms, MRIs, and ultrasound to help with the diagnosis. This cookie is set by GDPR Cookie Consent plugin. All ten cases were excluded. If a doctor detects a breast lesion, its understandable to be concerned. (B) Left antiradial breast sonogram. These benign tumors may occur in almost 70 percent of women by the age of 50. T4: The tumor can be of any size but is growing . The diagnostic accuracy of mass-like DCIS lesions was 90.1% (82/91), which was significantly higher than that in non-mass-like DCIS lesions [75.8% (97/128), P=0.007]. Ultrasound: Basic understanding and learning the language. A hypoechoic nodule in the breast. It is a report that the abnormality is steady, too. That means the tissue is dense. MO indicates that the doctor did not detect any metastasis. American Cancer Society. Being physically active and eating a diet with lots of whole foods, like fresh fruits and vegetables, can reduce your risk of cancer. Ultrasounds help doctors identify benign or malignant tumors. Hypoechoic nodule or solid lesion in a breast Hypoechoic means an area looks darker on ultrasound than the surrounding tissue. 2018 Dec;40(3):349-353. All rights reserved. It doesnt always mean that something is wrong. Is it better to have fatty or dense breasts? But they may push on them or displace them.. Many benign breast diseases present with irregular hypoechoic masses that can mimic carcinoma on ultrasonography. They're often easy to move around (mobile) and may be tender. A breast cancer tumor on a mammogram is often irregular. In some contexts, hypoechoic may refer to areas which produce weaker reflections than might be expected for that type of tissue. Yes, a breast nodules is the same as a mass. They also may be seen invading blood vessels or lymphatic vessels. Best food forward: Are algae the future of sustainable nutrition? (2007). In some cases, breast lesions may be self-detected. Solid masses of dense tissue are hypoechoic. Conversely, hyperechoic patterns without posterior enhancement, lesions with irregular margins and the presence of microcalcifications are usually sonographic findings of malignancy. You may perceive a lump as a mass, growth, swelling, thickness or fullness. Finding breast. These cookies will be stored in your browser only with your consent. Hypoechoic nodule or solid lesion in a breast Hypoechoic means an area looks darker on ultrasound than the surrounding tissue. Other ultrasound findings that suggest breast cancer include: DOI: 10.3748/wjg.15.3217, Rao RN, et al. Surgery may be the best option to remove larger hypoechoic masses. However, you may visit "Cookie Settings" to provide a controlled consent. Caffeine and dense breast tissue There are very few studies of caffeine and breast tissue density, and results are mixed. On MRI, a suspiciously enhancing irregular mass with progressive to washout kinetics has been reported. Learn how we can help. However, noncancerous breast conditions like lesions are considered very common. SpringerLink: Ultrasound of Soft Tissue Tumors.. 2 Does Fibroglandular density cause pain? Distinguishing Breast Cancer Tumors From Benign Masses. Learn about symptoms, risk factors, treatment, and more. Possible signs of malignancy may include irregular shape or margins, which are typically highlighted on imaging tests. ", Cancer Treatment Centers of America: "Ultrasound. Treatment for breast lesions depends on your age, the size of the lesion, and whether the tissue is changing. They are benign but may be hypoechoic on a sonogram. The cookie is used to store the user consent for the cookies in the category "Analytics". Hypoechoic is a physical description of a breast mass or cyst that is discovered by ultrasound. Contact, Privacy, Terms. You can learn more about how we ensure our content is accurate and current by reading our. They will look at it under a microscope. Cancerous breast lumps tend to be more common in females who are either perimenopausal or postmenopausal, though breast cancer may develop in other cases. 4 Should I get an ultrasound if I have dense breasts? Ultrasound works by sending sound waves toward the object being tested. Different types of breast lumps can vary in the way they look and feel. It has a number of causes, including harmless ones. N1, N2, and N3 indicate that cancer has spread to nearby lymph nodes. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. LCIS may also increase your risk of future breast cancer. Self-exams each month may be helpful in identifying the lumps, but an exam done by a healthcare provider is needed to find out for sure what's going on in your breast. The appearance, or differentiation, of cancer cells is another factor in cancer staging. Radiofrequency ablation is another less invasive procedure that shrinks masses with electrical currents. This often indicates that a nodule is full of solid, rather than liquid, components. Most women with fibroids will have more than one. MNT is the registered trade mark of Healthline Media. Getting recommended breast cancer screenings can help spot any cancers at an early, more treatable stage. DOI: 10.3390/diagnostics6010002, Ihnatsenka B, et al. Nimer A, et al. Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Smoking Pot Every Day Linked to Heart Risks, Artificial Sweetener Linked to Heart Risks, FDA Authorizes First At-Home Test for COVID and Flu, New Book: Take Control of Your Heart Disease Risk, MINOCA: The Heart Attack You Didnt See Coming, Health News and Information, Delivered to Your Inbox, Liver Cancer: Symptoms, Tests, and Treatments, Understanding Cancer Diagnosis and Treatment. Mario J, et al. Can a benign breast tumor become malignant? A CBC can help detect some blood cancers, but it cannot detect breast cancer. Radiological modalities may play an important role in evaluating male breast lesions. Fibrocystic Breast vs. Cancer: What Are the Differences? Melatonin and Breast Cancer: Is it Safe and Can it Help? Ultrasound uses sound waves that are absorbed by or bounce off of tissues, organs, and muscles. However, most growths found in the breast are benign. Sometimes biopsies are necessary. A breast specialist may recommend removing the benign tumor if it threatens to push against internal structures and cause damage. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. Cancerous masses in the breast are often very firm, like a rock. (A) Left radial breast sonogram. Other malignant causes include: Ultrasound scans are particularly important in examining the kidneys, and changes in the tissues can be easily seen. A hypoechoic breast mass may be benign, as in the case of a non-cancerous tumor called a fibroadenoma. Our website services, content, and products are for informational purposes only. Breast Lesions: A hypoechoic breast lesion might be a common, benign tumor called a fibroadenoma, or a breast cyst. In fact, the word "cancer" is derived from how these crab-like extensions look as they invade nearby tissues. Umm.. sorry, I just cant get my brain to think of breasts as horizontal and vertical 2D. What does heterogeneous hypoechoic nodule mean? They do this by removing one or more of the lymph nodes in the armpit and examining them under a microscope. 2c).Needle biopsy yielded a vascular lesion that was possibly a capillary or lobular . You say, it is not a lesion, it is a shadow of a frisbee that hit me one second later. 2a & b).Ultrasonography demonstrated a mixed echo nodule with an echogenic rim (Fig. . They may feel like a soft rubber ball with well-defined margins. Check for errors and try again. The cookies is used to store the user consent for the cookies in the category "Necessary". Can diet help improve depression symptoms? Benign and malignant characteristics of breast lesions at ultrasound. Metastatic breast cancer to the brain occurs when cancer spreads from breast tissue to the brain. What is a hypoechoic lesion in the breast? Possible causes and risk factors for breast lesions may include: You may also be more likely to experience swollen or lumpy feeling breast during the premenstrual phase of your monthly cycle. https://www.ncbi.nlm.nih.gov/pubmed/19778881, https://www.ncbi.nlm.nih.gov/pubmed/17972570, references for this section are on this page, Hyperechoic/ intense, fibrous tissue like, Ellipsoid shape/ wider than tall, parallel to the skin, Pseudocapsule/ thin, echogenic, well-circumscribed, Spiculations/ alternating hyper and hypoechoic straight lines, Height/ width >1 or non parallel to the skin, Shadowing/ through transmission attenuated, Branch pattern extensions / multiple radial projections, peri or intra-ductal, nipple oriented, Duct extension / single radial projection, peri or intra-ductal, nipple oriented, Intracystic nodule*, parietal thickening*. Scientists dont know for sure why this is true. Your nipple is inverted, meaning it points into your breast instead of pointing out. They bounce back and create an image that can be seen on a screen. DOI: Bjelovic B, et al. Your doctor may take a wait-and-see approach if its safer to carefully monitor the mass instead of removing it. Understanding your pathology report: Benign breast conditions. Ultrasound features of desmoid tumor mimic those of breast carcinoma, including a hypoechoic mass with lobulated, ill-defined borders and a thick, hyperechoic rim. a Transverse greyscale ultrasound of the neck demonstrates a left thyroid bed heterogeneous, predominantly hypoechoic irregular lesion with calcifications (white arrow).