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São Paulo med. j ; 125(4): 253-255, July 2007. ilus
Article in English | LILACS | ID: lil-467133

ABSTRACT

CONTEXT AND OBJECTIVE: Castleman's disease, or giant lymph node hyperplasia, is a rare disorder of the lymphoid tissue that causes lymph node enlargement. It is considered benign in its localized form, but aggressive in the multicentric type. The definitive diagnosis is based on postoperative pathological findings. The aim here was to describe a case of retroperitoneal unicentric Castleman's disease in the retroperitoneum. CASE REPORT: A 61-year old white male with weight loss and listlessness presented with moderate arterial hypertension and leukopenia. Abdominal tomography revealed a 5 x 4 x 5 cm oval mass of low attenuation, with inner calcification and intense enhancement on intravenous contrast, located in the retroperitoneal region, between the left kidney and the aorta, at the renal hilus. Exploratory laparotomy revealed a non-pulsatile solid oval mass situated in the retroperitoneum, adjacent to the left renal hilus. The retroperitoneal lesion was removed in its entirety. Examination of frozen samples revealed benign lymph node tissue and histopathological examination of the surgical sample revealed hyaline-vascular giant lymph node hyperplasia (Castleman's disease). The patient was discharged on the 12th day without significant events. Two months after the operation, the patient was readmitted with severe cardiac insufficiency, acute renal failure and bronchopneumonia, which progressed to acute respiratory insufficiency, sepsis and death.


CONTEXTO E OBJETIVO: A doença de Castleman ou hiperplasia linfonodal gigante é desordem rara dotecido linfóide que causa linfadenomegalia. É considerada afecção benigna em sua forma localizada, porém agressiva no tipo multicêntrico. O diagnóstico definitivo está baseado nas achados anatomopatológicos pós-operatórios. O objetivo foi descrever um caso de doença de Castleman (hiperplasia linfonodal gigante) unicêntrica retroperitoneal localizada no retroperitônio. RELATO DO CASO: Homem, 61 anos, branco, com emagrecimento e adinamia, apresentava hipertensão arterial moderada e leucopenia. A tomografia abdominal revelou massa ovalada de 5 x 4 x 5 cm, hipoatenuante, com calcificação de permeio e intenso realce ao contraste intravenoso, localizado na região retroperitoneal, entre o rim esquerdo e a aorta, no hilo renal. A laparotomia exploradora revelou massa sólida, não pulsátil, ovalada, situada no retroperitônio, próximo ao hilo renal esquerdo e que foi retirada completamente. O exame de congelação mostrou tecido linfonodal benigno e o exame histopatológico da peça cirúrgica revelou hiperplasia linfonodal gigante (doença de Castleman), forma hialina-vascular. O doente obteve alta no 12º dia. Após dois meses da operação, reinternou com quadro de insuficiência cardíaca grave, insuficiência renal e broncopneumonia, evoluindo com insuficiência respiratória aguda, sepse e óbito.


Subject(s)
Humans , Male , Middle Aged , Castleman Disease/diagnosis , Retroperitoneal Neoplasms/diagnosis , Diagnosis, Differential , Castleman Disease/pathology , Lymph Nodes/pathology , Retroperitoneal Neoplasms/pathology , Retroperitoneal Neoplasms/surgery
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