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J Med Case Rep ; 16(1): 295, 2022 Aug 01.
Artículo en Inglés | MEDLINE | ID: mdl-35909170

RESUMEN

BACKGROUND: Clear cell sarcoma of the kidney is an uncommon pediatric renal malignant neoplasm that is typically characterized in 2-3-year-olds by aggressive behavior and late relapses. Our literature review revealed fewer than ten previously reported cases of CCSK with inferior vena cava thrombus, with only five in the pediatric age group. CASE PRESENTATION: We report the case of a 14-year-old Syrian girl who complained of mild pain in the left lumbar region pain with hematuria. On physical examination, a mass was palpated in the left flank. Abdominal ultrasonography revealed a left renal mass (7 × 5 × 2 cm3), associated with dilatation of the left renal vein. Contrast abdominal computed tomography showed a mass measuring 7 × 5 × 3 cm3 with the presence of thrombus extending into the inferior cavity down to the right atrium that was initially diagnosed as Wilms' tumor. Radical right nephrectomy with excision of the thrombus was undertaken. Histological immunostaining revealed a diagnosis of the tumor as clear cell sarcoma with vascular tumor thrombus extending to the inferior vena cava. CONCLUSION: Clear cell sarcoma and Wilms' tumor are similar in terms of typical age of appearance, clinical features, and histopathology, but with different methods of treatment and prognosis. The differential diagnosis of such masses is thus very important. We present the case of a patient with clear cell sarcoma with unusual age, with complete removal of the thromboses in the inferior vena cava and the right atrium.


Asunto(s)
Carcinoma de Células Renales , Neoplasias Renales , Sarcoma de Células Claras , Trombosis , Trombosis de la Vena , Tumor de Wilms , Adolescente , Carcinoma de Células Renales/complicaciones , Carcinoma de Células Renales/diagnóstico por imagen , Carcinoma de Células Renales/cirugía , Niño , Preescolar , Femenino , Humanos , Riñón/patología , Neoplasias Renales/complicaciones , Neoplasias Renales/diagnóstico por imagen , Neoplasias Renales/cirugía , Nefrectomía/métodos , Dolor/cirugía , Sarcoma de Células Claras/diagnóstico , Sarcoma de Células Claras/diagnóstico por imagen , Trombosis/complicaciones , Vena Cava Inferior/diagnóstico por imagen , Vena Cava Inferior/cirugía , Trombosis de la Vena/complicaciones , Trombosis de la Vena/diagnóstico por imagen , Tumor de Wilms/patología
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