Metastatic and aggressive renal cell carcinoma mimicking a unilateral choroidal tuberculoma / Carcinoma de células renais metastático grave mimetizando tuberculoma de coroide unilateral

ABSTRACT Ocular metastases from systemic tumors are uncommon. The choroid is the most frequent target, with a preference for elderly individuals. Lung cancer is the predominant primary tumor that metastasizes to the eyes in males, although other ocular conditions such as uveitis and retinal lesions can mimic secondary tumor implants in ocular tissues. On fundoscopy, choroidal metastasis resembles other infectious processes, especially choroidal tuberculoma. Therefore, patients presenting with choroidal masses should undergo detailed clinical examinations, especially if the mass is the first manifestation of a systemic and severe disease. In this report, we describe a young man with a metastatic choroidal tumor secondary to papillary renal cell carcinoma mimicking a unilateral choroidal tuberculoma.

RESUMO A disseminação metastática ocular de tumores sistêmicos é incomum, ocorrendo principalmente na coroide e em pacientes idosos. O câncer de pulmão é considerado o principal tumor metastático ocular em homens, contudo, outras doenças oculares, como as uveítes e lesões retinianas, podem mimetizar os implantes secundários tumorais nos tecidos oculares. O aspecto fundoscópico das neoplasias da coroide pode apresentar similaridade com outros processos infecciosos, especialmente o tuberculoma de coroide. Dessa forma, a investigação clínica detalhada é de grande importância no diagnóstico de pacientes com massas coroideanas, especialmente quando configuram a primeira manifestação de uma doença sistêmica e grave. Relatamos um caso raro de metástase coroideana como primeira manifestação clínica do carcinoma de células renais em um homem jovem, mimetizando um tuberculoma de coroide.

A Case of Juxtaglomerular Cell Tumor Combined with Focal Segmental Glomerulosclerosis / 대한신장학회지

Juxtaglomerular cell tumor is a rare cause of secondary hypertension. Focal segmental glomerulosclerosis (FSGS) is a clinicopathological entity associated with renal insufficiency and proteinuria. The exact diagnosis and proper management are important in both juxtaglomerular cell tumor and FSGS. We experienced a 26-year-old male who complained of a palpable abdomen mass associated with proteinuria and hypertension. Ultimately, he was diagnosed with a juxtaglomerular cell tumor combined with FSGS after nephrectomy. After operation, his hypertension normalized, while his renal function deteriorated.