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  2. Papillary renal cell carcinoma - Wikipedia

    en.wikipedia.org/wiki/Papillary_renal_cell_carcinoma

    Papillary renal cell carcinoma (PRCC) is a malignant, heterogeneous tumor originating from renal tubular epithelial cells of the kidney, which comprises approximately 10-15% of all kidney neoplasms. [1] Based on its morphological features, PRCC can be classified into two main subtypes, which are type 1 and type 2 (eosinophilic). [2]

  3. Mucinous tubular and spindle cell carcinoma - Wikipedia

    en.wikipedia.org/wiki/Mucinous_tubular_and...

    Several morphological variants have been described, as the ‘‘mucin-poor variants’’, showing a predominance of tubular or spindle cell components and only minimal pale mucinous background. Focal papillations or papillary cores and foamy histiocytes can also be seen, creating confusion with papillary RCC. Helpful features for diagnosis ...

  4. Metanephric adenoma - Wikipedia

    en.wikipedia.org/wiki/Metanephric_adenoma

    Metanephric adenoma (MA) is a rare, benign tumour of the kidney, that can have a microscopic appearance similar to a nephroblastoma (Wilms tumours), [1] or a papillary renal cell carcinoma. It should not be confused with the pathologically unrelated, yet similar sounding, mesonephric adenoma .

  5. Hereditary leiomyomatosis and renal cell cancer syndrome

    en.wikipedia.org/wiki/Hereditary_leiomyomatosis...

    The renal cell carcinoma tends to be of the papillary (type 2) form and tends to occur more commonly in women than men with this syndrome. These cancers present earlier than is usual for renal cell carcinomas (typically in the twenties and thirties) and tend to be at relatively advanced stages at presentation.

  6. Papillary urothelial neoplasm of low malignant potential

    en.wikipedia.org/wiki/Papillary_urothelial...

    They cannot be reliably differentiated from low grade papillary urothelial carcinomas using cytology, [1] and their diagnosis (vis-a-vis low grade papillary urothelial carcinoma) has a poor inter-rater reliability. [2] Pathologic grading and staging tumors are: graded by the degree of cellular atypia (G1->G3), and staged: [citation needed ...

  7. Clear cell papillary renal cell carcinoma - Wikipedia

    en.wikipedia.org/wiki/Clear_cell_papillary_renal...

    Clear cell papillary renal cell carcinoma (CCPRCC) is a rare subtype of renal cell carcinoma (RCC) that has microscopic morphologic features of papillary renal cell carcinoma and clear cell renal cell carcinoma, yet is pathologically distinct based on molecular changes and immunohistochemistry.

  8. Nephrogenic adenoma - Wikipedia

    en.wikipedia.org/wiki/Nephrogenic_adenoma

    Nephrogenic adenoma is a benign growth typically found in the urinary bladder. It is thought to result from displacement and implantation of renal tubular cells, as this entity in kidney transplant recipients has been shown to be kidney donor derived. [1] This entity should not be confused with the similar-sounding metanephric adenoma.

  9. Endolymphatic sac tumor - Wikipedia

    en.wikipedia.org/wiki/Endolymphatic_sac_tumor

    The clinical and pathology differential are different. From a pathology perspective, an endolymphatic sac tumor needs to be separated from metastatic renal cell carcinoma, metastatic thyroid papillary carcinoma, middle ear adenoma, paraganglioma, choroid plexus papilloma, middle ear adenocarcinoma, and ceruminous adenoma. [1]