Primary myxomas and myxosarcomas of the lung are very rare. Stout studied in 1948 the records of Columbia University and the cases reported in the world literature and was able to collect 140 cases but there were no myxomas arising from the lung or pleura. Miller and Jackson (1954) reported a case of myxosarcoma of the lung and Barkley and Cardozo (1957) published another case of myxomatous tum...

A 50-year-old man presented with a 6-week history of lumbosacral back pain and altered bowel habit without hematochezia. Abdominopelvic computed tomography (CT) revealed a 5-cm rectal mass with obliteration of the fat plane between the mass and the tip of the coccyx that was interpreted as representing a neoplasm(●" Fig.1a). Followinganormal digital rectal exam, colonoscopy revealed a subtle po...

Hamartoma es una masa desorganizada, benigna, compuesta por tejidos y células nativas de sitio anatómico afectado. El hamartoma lingual infantil un tumor benigno e infrecuente que generalmente se descubre en la niñez. No conoce patogenia, pero parece estar relacionada a persistencia restos embrionarios mesenquimales. Se presenta el caso paciente con patología región lingual.

Nasal chondromesenchymal hamartoma has characteristic clinicopathological features and it is accepted as the upper airway analogue of mesenchymal hamartoma of the chest wall. It is a rare lesion and only 31 cases have been reported in the English literature until 2014. In this article, a 13-year-old nasal chondromesenchymal hamartoma case is presented, which is the first nasal chondromesenchyma...

splenic hamartoma is an unusual accidental finding with non-neoplastic feature that may be incidentally diagnosed because of its compression effect on surrounding organs. the predominant pathological feature leading diagnosis is circumscribed, un-encapsulated bulging nodules with focal fibrosis or cyst. the histopathological feature of splenic hamartoma is the positivity for cd8, and occasional...