conclusions primary scec is a rare and highly aggressive tumor. however, prognosis is poor and long-term survival is exceptional. crt could be an appropriate alternative to operation. patients and methods this brief report was carried out by reviewing the medical records of 22 patients with newly histologically proven scec that were treated between 2000 and 2010 at 2 tertiary academic hospitals...

primary small cell carcinoma of the ureter is an extremely rare disease, only several cases have been reported worldwide so far. we report a 70-year-old woman who was examined with intravenous urography and abdominal computed tomography and was diagnosed as small cell carcinoma confirmed by pathology. we describe and discuss the urography and computed tomography findings of this case.

Sixty-seven patients underwent a resection of renal cell carcinoma in our hospital between July 1984 and Mar. 1989. Out of them 31 patients with small renal cell carcinoma less than 4 cm in diameter were examined. The proportion of small renal cell carcinoma to all renal cell carcinoma was 36% (14 patients) in the first half period (July 1984-July 1987) and 61% (17 patients) in the last half (A...

following the first report of laryngeal small cell carcinoma in canada in 1972,only 82 cases of this cancer has been reported in the literature untill 2001.this cancer originates from laryngeal neuroendocrine cells.It,s clinical presentation consists of hoarseness,breathing difficulty:and cigarette smoking is the most important risk factor.this type of cancer is mostly presented after 50 years ...

Background and Aims: P504S (AMACR) is a mitochondrial enzyme expressed in renal cell carcinoma. Some of immunohistochemical markers in renal cell tumors are independent prognostic factor and show relation with histologic grading. AMACR expression increases with higher histological grading in different tumors; however, in RCC it is not obvious. In this study, we tried to investigate if ...

Sarcomatoid carcinoma is a high‑grade rare malignant tumor with both epithelial and mesenchymal components. Sarcomatoid carcinoma in the upper urinary tract is very rare. We reported here a case of sarcomatoid carcinoma of renal pelvis with osteosarcomatous differentiation, with involvement of the ureter and renal parenchyma in a 68-year-old female. Histologically, predominant pleomorphic spind...