On admission, her skin was free of eruptions and telangiectasia ... sessile, blue-purple polypoid submucosal lesion with a nodular surface, 15 mm in diameter, in the ascending colon near ...
Other rare variants-desmoplastic, amelanotic, and polypoid malignant melanomas-are associated with local recurrences and metastatic lesions. Early diagnosis is the key to proper treatment and ...