Primary malignant melanoma of the bladder - case report and literature overview

Vol. 60 No. 1, 2019

ROMANIAN JOURNAL of MORPHOLOGY and EMBRYOLOGY

Gheorghe Adrian Bumbu, Mihail-Claudius Berechet, Ovidiu-Laurean Pop, Karim Nacer, Gheorghe Bumbu, Octavian Adrian Maghiar, Ovidiu Gabriel Bratu, Mihai Lucian Stefanescu, Carmen Pantis, Bogdan Andrei Bumbu

Malignant melanoma is one of the common skin cancers but as a primary cancer localized in urinary bladder is a very rare clinical entity, 0.2% of all melanomas. We report the very rare case of primary malignant melanoma of the bladder in an 80-year-old man. According with our knowledge is the first case of primary malignant melanoma reported in Romania. Only a few percent of malignant melanoma have origin outside the skin. Less than 30 cases of primary bladder melanoma have been reported in the literature. The most common metastasis in urinary bladder comes from breast carcinoma and skin melanoma The tissue examination presents the same futures does not matter if is a primary or secondary malignant melanoma. The ancillary tests like immunohistochemistry help us to do an accurate diagnostic but to discriminate primary vs. metastatic tumor remain an important issue. Usually, the bladder melanoma has an aggressive lethal behavior. Histopathological examination, immunohistochemistry, clinical history, and endoscopic evaluation can provide certain diagnostic features.

Corresponding author: Carmen Pantis, Lecturer, MD, PhD; e-mail: pantisc@gmail.com; Ovidiu-Laurean Pop, Associate Professor, MD, PhD; e-mail: drovipop@yahoo.com

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