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Tumor pardo en el hiperparatiroidismo secundario a insuficiencia renal cronica / Brown tumor in hyperparathyroidism secondary to chronic renal failure
Spitale, L. S; Piccinni, D. J.
  • Spitale, L. S; Universidad Nacional de Córdoba. Facultad de Ciencias Médicas.
  • Piccinni, D. J; Universidad Nacional de Córdoba. Facultad de Ciencias Médicas.
Rev. Fac. Cienc. Méd. (Córdoba) ; 61(2): 65-69, 2004. ilus
Article in Spanish | LILACS | ID: lil-443811
ABSTRACT
Brown tumor (BT) is an uncommon condition that represents the terminal stage of the cystic osteitis fibrosa and have been increasingly reported in hyperparathyroidism secondary to renal failure, due to the increase of survival in patient with hemodialysis. The fine needle aspiration diagnosis is of great importance in the recognition of the BT, although it can be difficult to distinguish it of lesions as the aneurysmal bone cyst and giant-cell tumor. We describe the case of 20-year-old female with chronic renal failure undergoing hemodialysis during six years. Both x-rays and computer tomography revealed a tumor in head of right humerus and lytic images in scapula of the same side, clavicles and ribs. The patient was subjected to a fine needle aspiration biopsy of the tumor of humerus head and the sample was processed with the habitual technique of inclusion in paraffin and stained with hematoxilina and eosina. Histological preparations showed several multinucleate giant cells and spindly or fibrillary cells, feature that was pointed out as compatible, in a context of secondary hyperparathyroidism to chronic renal failure, with a BT. We consider that the radiological and tomographyc finds, besides the history of chronic renal failure with a long history of hemodialysis, were enough to link, with great approach, the histopathology with the diagnosis of BT.
RESUMEN
El tumor pardo (TP) es una condición infrecuente que representa la fase terminal de la osteítis fibrosa quistica, habiéndose incrementado los reportes de tumores pardos en hiperparatiroidismos secundarios a falla renal. debido al aumento de supervivencia en pacientes dializados. El diagnóstico por aspiración con aguja fina es de gran importancia en el reconocimiento del TP. aunque puede ser dificil distinguirlo de lesiones como el quiste óseo aneurismático y el tumor de células gigantes. Presentamos el caso de una mujer de 20 años con insuficiencia renal crónica dializada durante seis años. que mostraba, con la tomografia computada y radiografia, un tumor en cabeza de húmero derecho e imágenes osteolíticas en homóplato homolateral, clavícula y costillas. Se realizó una biopsia por punción de la tumor ación de cabeza de húmero y la muestra fue procesada con la técnica habitual de inclusión en parafina y tinción con hematoxilina y eosina. Los preparados histológicos mostraron tejido constituido por abundantes células fusiformes y numerosas células gigantes multinucleadas, cuadro histopatológico que se señaló como compatible, en un contexto de hiperparatiroidismo secundario a insuficiencia renal crónica, con un TP.
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Index: LILACS (Americas) Main subject: Osteitis Fibrosa Cystica / Hyperparathyroidism, Secondary / Kidney Failure, Chronic Type of study: Etiology study Limits: Adult / Female / Humans Language: Spanish Journal: Rev. Fac. Cienc. Méd. (Córdoba) Journal subject: Medicine Year: 2004 Type: Article Affiliation country: Argentina

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Index: LILACS (Americas) Main subject: Osteitis Fibrosa Cystica / Hyperparathyroidism, Secondary / Kidney Failure, Chronic Type of study: Etiology study Limits: Adult / Female / Humans Language: Spanish Journal: Rev. Fac. Cienc. Méd. (Córdoba) Journal subject: Medicine Year: 2004 Type: Article Affiliation country: Argentina