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1.
Rev. esp. patol ; 46(4): 206-211, oct.-dic. 2013. tab, ilus
Article in Spanish | IBECS | ID: ibc-116176

ABSTRACT

El oncocitoma fusocelular de adenohipófisis (OFC) es una neoplasia no endocrina que simula macroadenoma no funcionante y está constituida por células fusiformes ricas en mitocondrias, positivas para proteína S-100, vimentina, galectina 3, EMA y TTF1. En general presenta curso clínico benigno, si bien se ha observado un significativo número de casos recidivantes. En el presente trabajo se describen 2 casos de OFC con los aspectos morfológicos característicos, uno de los cuales recidivó 7 años después del diagnóstico inicial (AU)


Spindle cell oncocytoma (SCO) is a non endocrine tumour that closely resembles a non functioning macroadenoma. SCO is composed of mitochondria-rich fusiform cells, positive for S-100 protein, vimentin, galectine-3, EMA and TTF1. Even though most SCOs have a benign course, a significant number of recidivant cases have been reported. We describe 2 cases of SCO, one of them with a late recurrence occurring 7 years after the initial diagnosis. The clinical and morphological features, immunohistochemistry and the probable origin of this unusual tumour are discussed (AU)


Subject(s)
Humans , Male , Female , Middle Aged , Adenoma, Oxyphilic/diagnosis , Adenoma, Oxyphilic/pathology , Pituitary Gland, Anterior/pathology , Pituitary Diseases/pathology , Pituitary Gland/pathology , Hemianopsia/pathology , Immunohistochemistry/methods , Immunohistochemistry/standards , Immunohistochemistry , Nevus, Epithelioid and Spindle Cell/complications , Nevus, Epithelioid and Spindle Cell/pathology , Tomography/methods , Immunohistochemistry/statistics & numerical data , Immunohistochemistry/trends , Diagnosis, Differential
2.
Rev. esp. patol ; 44(1): 3-7, ene.-mar. 2011. tab, ilus
Article in Spanish | IBECS | ID: ibc-86279

ABSTRACT

Dentro del grupo de enfermedades intersticiales pulmonares, la linfangioleiomiomatosis (LAM) representa una rara entidad, de etiología desconocida que afecta principalmente a mujeres. La proliferación de células inmaduras de estirpe muscular en el pulmón, y la posterior formación de espacios quísticos, eventualmente condicionan la instauración de insuficiencia respiratoria. Hasta el momento no se dispone de opciones efectivas para el tratamiento de esta condición progresiva, y sólo el trasplante pulmonar ofrece una alternativa terapéutica. Presentamos una serie de 6 casos de LAM vistos en nuestro servicio entre los a˜nos 2002 a 2009, así como una revisión de la literatura(AU)


Within the group of pulmonary interstitial lesions, lymphangioleiomyomatosis (LAM) is a rare disease of unknown aetiology principally affecting females. The proliferation of immature muscle cells in the lung, together with subsequent cyst formation, eventually triggers respiratory failure. To the best of our knowledge, there is as yet no effective treatment for this progressive condition except lung transplant in severe cases. We report 6 cases of LAM from our archives between the years 2002 and 2009, together with a review of the literature(AU)


Subject(s)
Humans , Pathology/education , Pathology/history , Pathology/methods , Periodicals as Topic/standards , Periodicals as Topic/trends , Pathology/ethics , Pathology/organization & administration , Pathology/trends , Societies, Medical/history , Societies, Medical/organization & administration
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