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- W4313489600 abstract "We report on the clinicopathologic features of 27 pleomorphic giant cell carcinoma (PGCC) cases of the prostate identified in 20 patients with an age range of 51 to 84 years (68 ± 9; median 71 years). Charlson comorbidity index ranged from 3 to 12. Serum PSA ranged from 4.30 to 662 ng/mL (median 13 ng/mL). On histologic examination, bizarre giant cells with pleomorphic nuclei characterized pleomorphic giant cell carcinoma of the prostate. PGCC component was present in 5% to 100%, with half of the patients presenting with ≥ 20%. Half of the patients initially presented with T4 and 26% with T3 disease. All patients were considered Gleason scores of 9 to 10 (ISUP grade 5). A combination of hormone therapy with chemotherapy with or without radiation therapy was applied in 68% of patients. On follow-up, 14 patients (52%) were alive with disease (1-69 months) or dead of disease (1-38 months). Patients diagnosed earlier with lower TNM stage had longer survival than those diagnosed at a later T-stage or with metastatic disease (p = 0.02). The percentage of PGCC was not related to survival in the current study. Molecular alterations in 3 samples showed a microsatellite-stable disease with low tumor mutation burden and variable PTEN, PTCH1, KDM6A, ARv7, and PIK3CA loss/alteration, TP53 mutation, TMPRSS2-ERG fusion, and MYC, PIK3CB, RICTOR, or IRS2 amplification. Our findings suggest that PGCC is a rare and aggressive subtype of prostate carcinoma whose recognition may steer clinicians to adopt more aggressive treatments and investigate new therapeutic strategies." @default.
- W4313489600 created "2023-01-06" @default.
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- W4313489600 date "2023-01-05" @default.
- W4313489600 modified "2023-10-14" @default.
- W4313489600 title "Pleomorphic giant cell carcinoma of the prostate: clinicopathologic analysis and oncological outcomes" @default.
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- W4313489600 doi "https://doi.org/10.1007/s00428-022-03481-7" @default.
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