Pilomatricoma of the calf: a case report and review of literature.

Introduction And Importance: Pilomatricoma (PMC) is a benign adnexal dermal or subcutaneous tumor, which is derived from immature hair matrix cells. It makes up around 20% of all tumors related to hair follicles in most series and is therefore the most common hair-follicle neoplasm. Nevertheless, diagnosing it remains intricate due to the prevalence of more frequent pathological conditions in soft-tissue.

Large retroperitoneal ganglioneuroma revealed by a left ovarian endometrioma: A case report.

Uncommon in nature, retroperitoneal ganglioneuroma represents a neuroblastic benign tumor, predominantly manifesting in young adults, with a notable predilection for females. Often asymptomatic, the condition is frequently diagnosed incidentally due to delayed growth. Clinical manifestations arise primarily from the compression exerted on neighboring organs and vessels.

Long recurrence-free survival of localized rectal melanoma after abdominoperineal resection in comparison to partial excision and highlighting the place of immunotherapy: A case report.

Rectal malignant melanomas (RMM) are remarkably uncommon, the rectal location represents less than one percent of all rectal cancer. Because of its low global survival rate, the surgical strategy is a subject of controversy for attaining a r0 resection. the palliative treatment is also debateable, but recently; radiotherapy and immunotherapy became the preferred treatment and offer the best outcome.