Atypical fibroxanthoma mimicking amelanotic melanoma in dermoscopy
نویسندگان
چکیده
منابع مشابه
Amelanotic melanoma mimicking cutaneous epitheliomas.
DERMOSCOPIC APPEARANCE The dermoscopic analysis (Fig 2) revealed peripheral dotted vessels, linear irregular vessels, milky red areas, and white streaks, suggestive of melanoma. However, there were no structures or vascular patterns found in cutaneous epitheliomas, such as leaf-like areas, blue-gray ovoid nests, or arborizing or glomerular vessels. It is noteworthy that no brown, black, gray, o...
متن کاملAmelanotic malignant melanoma: two collision tumors presenting as basal cell carcinoma and atypical fibroxanthoma.
Collision (contiguous) tumors of the skin can result in misleading clinicopathological presentations, and the choice of appropriate diagnostic techniques may prevent incomplete diagnosis and management. We report 2 cases of collision tumors involving amelanotic malignant melanoma of the back. One patient is a 79-yr-old male with an 8.7 x 5.5 x 4.5 cm polypoid lesion that on shave biopsy was dia...
متن کاملAtypical Fibroxanthoma
Atypical fibroxanthoma (AFX) is a nodular dermal ulcerative lesion with a favorable prognosis. AFX most commonly occurs on sun-exposed skin in elderly individuals. AFX is characterized by its association with ultraviolet radiation, not only from a clinical aspect, but also from a molecular aspect. Making a diagnosis of AFX is challenging, and it is important to differentiate it from squamous ce...
متن کاملAtypical fibroxanthoma†
Atypical fibroxanthoma (AFX) is a rare skin neoplasm of low-grade malignancy and fibroblastic origin. AFX is a curable cutaneous disease and the diagnosis depends on knowledge of its clinical and histological features and combined immunohistochemistry markers. This study presents a case of a male patient, aged 90 years, presented with painless skin lesion in his ear. The lesion had been growing...
متن کاملPrimary amelanotic melanoma of the rectum mimicking adenocarcinoma
PATIENT Male, 55 FINAL DIAGNOSIS: Melanoma Symptoms: Worsening constipation • tenesmus • weight loss MEDICATION - Clinical Procedure: Chemoradiation therapy Specialty: Oncology. OBJECTIVE Challenging differential diagnosis. BACKGROUND Malignant melanoma is usually readily diagnosed by the presence of melanin granules. Although amelanotic melanoma contains a few melanin granules, it is oft...
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ژورنال
عنوان ژورنال: Advances in Dermatology and Allergology
سال: 2019
ISSN: 1642-395X
DOI: 10.5114/ada.2019.87453