The adrenal gland can frequently be the site of metastatic deposits, including malignant melanocytic tumors; however, primary melanoma of the adrenal gland is exceptional. We reviewed 18 cases reported in the English literature to date, and here add another case which occurred in a 78-year-old man. The patient underwent right suprarenalectomy and the pathology report showed a malignant melanoma of the adrenal gland. Immunohistochemical staining revealed a positive antibody-specific cytoplasmic reactivity to S-100 and HMB-45 proteins with a negative reaction for cytokeratin (AE1, AE3), synaptophysin, chromogranin and neuron-specific enolase. There are diagnostic criteria for accepting an adrenal melanoma as primary; however, an autopsy is the final step to confirm this infrequent pathology.
Dermatofibrosarcoma protuberans (DFSP) of the breast is a rare skin cancer with only a few cases reported in the literature. It corresponds to approximately 1% of all soft tissue sarcomas and to less than 0.1% of all malignancies with annual incidence of 0.8-4.5 cases per million. DFSP usually affects young and middle-aged adults and it can affect any site, but most commonly the trunk and extremities. This tumor arises from the deep dermis and subcutaneous tissues and is usually locally aggressive, but rarely metastasizes. Surgery including wide local excision with free margins remains the main modality of treatment. We report a case in a 28-year-old Omani woman who presented with a right breast lump to a local secondary hospital. She was offered excision biopsy of the lump and the histology came as DFSP with involved margins. The patient was then referred to the Breast Unit at the Royal Hospital where she was reviewed by multidisciplinary team including breast surgeons, oncologists, radiation oncologists, pathologists, and breast radiologists. Her laboratory and radiological investigations did not show any signs of distal metastasis and breast ultrasound did not reveal any residual breast lesions. We performed a wide re-excision of the previous surgical scar with the underlying breast tissues down to the level of the pectoral fascia followed by treatment with radiotherapy. The final histology report showed the presence of a 4脳5mm residual tumor, and all resection margins were tumor-free. At six months follow-up, she had no signs of local recurrence. We publish this case report because of its rarity.
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