ABSTRACT Introduction: Dermatofibrosarcoma (DFSP) is a rare neoplasia from mesenchymal tissues in the skin. It has a high potential for local invasion and a high rate of recurrence after the surgical excision. It appears as a hardened plaque of violaceous color, asymptomatic, which evolves with protuberant nodules. There are few Brazilian...
ABSTRACT Dermatofibrosarcoma protuberans (DFSP) is an extremely rare and potentially aggressive soft tissue tumor. Around 85 to 90% of DFSP cases are low-grade tumors, while the fibrosarcomatous variant (DFSP-FS) is associated with medium and high-grade neoplasms. DFSP affects more young adults, in their 30s; however, it can be present in...
ABSTRACT Hemangioendothelioma is a rare vascular tumor whose etiology has not yet been defined. Currently, it is known to affect different sites, such as the abdominal-pelvic cavity. It is also known to present intermediate characteristics to hemangioma and angiosarcoma. In recent studies, 50-76% of patients are asymptomatic. Surgical treatment is...
