Metastatic melanoma | Radiology Reference Article - Radiopaedia.org
2023年7月16日 · Metastatic spread to the lymph nodes represents the most common site of malignant melanoma metastases. Ultrasound lymph nodes with metastatic disease may have an irregular, hypoechoic or lobulated appearance 3
Malignant melanoma | Radiology Reference Article - Radiopaedia.org
2023年7月16日 · In general, radiology is useful for identifying metastatic melanomatous deposits. Despite being one of the less common types of skin cancer, they cause the majority (75%) of skin cancer-related deaths. Prognosis is related to stage of disease.
Intracranial metastatic melanoma - Radiopaedia.org
2021年5月14日 · The MR findings of amelanotic metastases were non-specific. Unfortunately, melanotic metastases made up only 25% of the total cerebral melanoma metastases examined 7. Radiographic features. Intratumoral hemorrhage is a much more common feature of melanoma metastases in comparison to other brain metastases 5.
Metastatic melanoma: correlation of MRI characteristics and ...
To correlate the findings on MRI with histopathology of metastatic melanoma, MRI was performed on 29 patients with 36 lesions, using spin-echo and inversion recovery sequences. Histopathologic examination of lesions was performed within 4 weeks of imaging. Lesions were categorized according to cell …
Malignant Skin and Subcutaneous Neoplasms in Adults ... - AJR
2014年4月23日 · In the staging of melanoma, both whole-body MRI and PET/CT are considered more accurate than whole-body CT, with PET providing the added value of detecting in-transit or satellite metastatic lesions [43, 46] .
A Variety of Appearances of Malignant Melanoma in the Head: A …
2001年5月1日 · When melanoma metastasizes to the head, the lesions can have a variety of appearances and can occur in a variety of locations. The usual appearances of malignant melanoma on magnetic resonance images include the melanotic and amelanotic patterns.
Radiographic investigations in melanoma - DermNet
Basic radiological investigations such as chest x-ray (CXR) can detect occult metastatic melanoma, but their two-dimensional soft-tissue views are limited [5]. Thus many patients will be referred for CT, positron emission tomography -CT (PET …
Imaging of Metastatic Malignant Melanoma to the Head: - AJR
Exercise, self-assess, and improve his or her understanding of the MRI features used to attempt to differentiate hemorrhagic neoplasms from nonneoplastic hematomas. Gain familiarity with the varied appearances of melanoma metastases to the head.
Whole-Body Magnetic Resonance Imaging (MRI) for Staging Melanoma …
2023年6月5日 · Whole-body magnetic resonance imaging (WB-MRI) holds promise as a noninvasive diagnostic method without the risk of radiation exposure. However, neither the American nor the European guidelines for melanoma diagnostics currently mention WB-MRI as an alternative for whole-body imaging.
Imaging Patterns of Metastatic Melanoma - ScienceDirect
2016年1月1日 · Whole-body (WB) MRI is a promising new technique in the management of malignant melanoma. According to a recent study comparing WB MRI with PET-CT in staging of malignant melanoma, WB MRI is superior in detecting liver, bone, and brain metastasis [15].