Introduction: A hemangiopericytoma is a rare, soft-tissue tumor of vascular origin derived from a pericyte of Zimmerman, which is a modified smooth muscle cell that surrounds the small blood vessels. Hemangiopericytomas can occur wherever there are vascular capillaries. However, there were no previous reports of a hemangiopericytoma in the retroperitoneal space. Case presentation: We describe the first reported case of a hemangiopericytoma found in the retroperitoneal space. A 25-year-old man presented with a palpable tumor on the left abdomen. Preoperative imaging indicated that the tumor was in the retroperitoneal space without invasion of other organs. A complete resection was performed via a midline incision. The histological and immunohistochemical staining patterns supported the diagnosis of a hemangiopericytoma. Conclusion: A complete resection without piecemeal excision is the best way to treat a hemangiopericytoma. Recognizing the presence of a hemangiopericytoma in the retroperitoneal space requires appropriate surgery.

Adenolipoma of the breast is a rare tumor classified as a hamartomatous lesion. It is a well-circumscribed lesion composed of adipocytes and other breast tissues. The characteristic feature is a well-circumscribed mass containing radiolucent fat admixed with dense fibrous connective tissue surrounded by a thin radiopaque pseudo capsule. Microscopically, there is a mixture of ducts and lobules with adipose tissue. Ductal hyperplasia, adenosis, calcification, and apocrine metaplasia may occur within the hamartoma. These are rarely associated with malignancies and excision is considered curative. If these lesions are not detected clinically or radiologically, these remain unrecognized. Awareness of this poorly recognized benign entity would help avoid an incorrect diagnosis and unnecessary intervention. Here we present a case of a 35-year-old female diagnosed histologically as adenolipoma of the breast.

Filariasis is an infectious disease endemic in Nepal and the Indian subcontinent. However, filariasis of the breast is not very common. We present a case of a 24-year female with a breast nodule diagnosed with filariasis of the lymph node on the breast on histopathological examination. An infectious pathology should always be borne in mind in the endemic region for the timely management of the patient.

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Glassy cell carcinoma of the cervix is a rare subtype of adenosquamous carcinoma associated with aggressive course and poor prognosis. It is considered to originate from the subcylindrical reserve cells of the cervix and has been associated with human papillomavirus. Histologically glassy cell carcinoma is composed of nestes of large cells with ground glass cytoplasm and large vesicular nuclei with prominent nucleoli. Nuclear pleomorphism and tumor giant cells are frequently seen. Mitotic activity is brisk. Infiltration by eosinophils and plasma cells with admixture of lymphocytes is a characteristic feature. Focal squamous and glandular differentiation may be seen. The immunohistochemistry markers are positive for squamous cell carcinoma (p63, CK34) and adenocarcinoma(MUC1, MUC2, CEA).Here we present a case of 49 year old female diagnosed as glassy cell carcinoma histologically and immunohistochemically.