RESUMO
Perivascular epithelioid cell tumors are a family of related mesenchymal neoplasms that include angiomyolipoma, lymphangiomyomatosis, clear cell sugar tumor of the lung and a group of rare morphologically and immunophenotypically similar lesions that show immunoreactivity for both melanocytic (HMB-45 and/or melan-A) and smooth muscle (actin and/or desmin) markers. This case is presented for its rare occurrence and characteristic morphologic and immunohistochemical features.
Assuntos
Neoplasias de Células Epitelioides Perivasculares/patologia , Neoplasias da Bexiga Urinária/patologia , Adulto , Biomarcadores Tumorais/análise , Biópsia , Hematúria/etiologia , Humanos , Imuno-Histoquímica , Antígeno MART-1/análise , Masculino , Antígenos Específicos de Melanoma/análise , Neoplasias de Células Epitelioides Perivasculares/química , Neoplasias de Células Epitelioides Perivasculares/complicações , Neoplasias de Células Epitelioides Perivasculares/cirurgia , Neoplasias da Bexiga Urinária/química , Neoplasias da Bexiga Urinária/complicações , Neoplasias da Bexiga Urinária/cirurgia , Antígeno gp100 de MelanomaRESUMO
Primary extraskeletal osteosarcoma of the penis (ESO) is a very rare condition. As per our knowledge, this is the seventh reported case in the world literature. We report a case of primary ESO of the penis in a young male, which was treated with surgery and adjuvant chemotherapy. This case is presented for its rarity and the scarcity in the literature regarding its treatment and prognosis.
Assuntos
Neoplasias Renais/diagnóstico , Neoplasias Renais/patologia , Tumores Neuroectodérmicos Primitivos/diagnóstico , Tumores Neuroectodérmicos Primitivos/patologia , Biomarcadores Tumorais/análise , Histocitoquímica , Humanos , Imuno-Histoquímica , Neoplasias Renais/cirurgia , Masculino , Microscopia , Nefrectomia , Tumores Neuroectodérmicos Primitivos/cirurgia , Radiografia Abdominal , Tomografia Computadorizada por Raios X , Adulto JovemRESUMO
Primary signet ring cell adenocarcinoma (PSRCC) of the bladder is a relatively rare variant of adenocarcinoma of the bladder with poor prognosis. Also PSRCC of the bladder presenting with spontaneous urinary extravasation is very rare. We present the case of a 48-year male who presented with spontaneous urinary extravasation and was diagnosed to have PSRCC of the urinary bladder on evaluation. He was treated with radical cystectomy and adjuvant chemotherapy. This report emphasizes the need to rule out other primary sites of adenocarcinoma in the body, which may metastasize to the urinary bladder.
