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1.
Article | IMSEAR | ID: sea-212836

Résumé

We report a case of transitional cell carcinoma of the right renal pelvis mimicking the signs, symptoms and radiological findings of renal tuberculosis (TB). She had been diagnosed initially for urinary tract infection and radiological diagnosis initially was more towards renal TB and urine cytology and cultures were normal. Specific investigations for tuberculosis all showed negative results. But as neoplasia could not be ruled out by ureterorenoscopy due to presence of multiple ureteric strictures, decision was taken for an exploratory surgery. During surgery it was found that there was a tumour in the upper pole of kidney involving the renal pelvis and was found to be papillary transitional cell carcinoma on histopathological examination.

2.
Article | IMSEAR | ID: sea-212823

Résumé

Metaplastic breast carcinoma (MBC) has an incidence of <1% of all breast cancers and MBC with chondrosarcomatous differentiation is even more rare, <0.1% of all cases. The World Health Organization have classified MBC into pure epithelial-type and mixed epithelial and mesenchymal type. The epithelial-type MBC is sub-classified into squamous cell carcinoma, adenosquamous carcinoma and adenocarcinoma with spindle cell differentiation; mixed type MBC is sub-classified into carcinosarcoma and carcinoma with osseous and chondroid metaplasia. Metaplastic carcinomas of the breast are characterized by large tumour size and rapid  growth, and they are usually estrogen receptor, progesterone receptor, and HER2/neu negative and tend to have a worse prognosis than other triple negative breast cancers. There is a noteworthy increased risk of tumour recurrence and a worse prognosis with MBC compared with invasive lobular carcinoma and infiltrating duct carcinoma. We report a case of metaplastic carcinoma with extensive chondroid differentiation that is chondrosarcoma and chondroid metaplasia along with classic infiltrating duct carcinoma with involvement of ipsilateral axillary lymph nodes.

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