A Rare Case of Poorly Differentiated Neuroendocrine Carcinoma of the Descending Colon with Regional Lymph Node Involvement Presenting in a Young Adult Nigerian Male: A Case Report.

Malignant colonic neuroendocrine tumours are rare. Even more uncommon is their occurrence in the left colon. They also infrequently occur in males and young adults.

Atypical Presentation of Breast Cancer Metastasis to the Bowel: A Case Report.

Breast cancer rarely metastasizes to the intestinal tract. It is even more uncommon to find intestinal metastasis as the first sign of distant spread. We describe an atypical case of small and large bowel carcinomas arising from primary breast cancer and presenting as the first evidence of distant metastasis.

Poorly differentiated carcinoma with neuroendocrine features in two patients with sinonasal tumours: a report of two cases.

Neuroendocrine tumors can be described as rare, heterogeneous, epithelial tumours with principally neuroendocrine differentiation that can be harboured in the sinonasal cavities. Owing to the intermingling of its clinical, radiological and histopathological features, the diagnosis of poorly differentiated sinonasal carcinomas with neuroendocrine features is a daunting one. Many of these tumours have a poor prognosis.

Malignant Phyllodes Tumor: Report of Two Cases and Review of Literature.

Phyllodes tumuor (PT) is a rare biphasic breast neoplasm. It constitutes <1% of the entire tumours of the breast. Based on the World Health Organization's (WHO) proposal, premised on multiple histological features, phyllodes tumour is categorized into benign, borderline, and malignant breast neoplasms.

Giant Primary Ovarian Leiomyoma with Cystic Degeneration and Calcification Complicated by Post-Surgical Acute Pulmonary Embolism in a 23-year-old Nulligravida: A Case Report.

Leiomyomas of primary ovarian origin are rare, benign, smooth muscle neoplasm constituting just 0.5-1% of the entire tumours of the ovary. They are often of small size, unilateral and occur predominantly in premenopausal women, usually diagnosed incidentally, aided by examination of the pelvis, post-surgery histopathological evaluation and confirmed by immunohistochemical staining.

Endometrial osseous metaplasia complicated by secondary infertility: a case report.

Endometrial osseous metaplasia is a rare condition in which there is abnormal presence of bone in the endometrium. There is paucity of reported cases of this pathological condition in Africa and it is usually overlooked as a cause of infertility. Pathogenesis is not well understood but mostly occurs following pregnancy.