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Demographics, Histopathology, and Treatment Outcomes of Squamous Cell Carcinoma of the Prostate
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Demographics, Histopathology, and Treatment Outcomes of Squamous Cell Carcinoma of the Prostate
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Journal Article
Demographics, Histopathology, and Treatment Outcomes of Squamous Cell Carcinoma of the Prostate
2024
Overview
Background Squamous cell carcinoma of the prostate (SCCP) is a neoplasm that comprises fewer than 1% of all primary prostate cancer diagnoses. Given its rarity, there is a paucity of data regarding the treatment of this disease. The limited literature points to the potential of local therapy in conjunction with chemotherapy to improve patient mortality. Methods Using the National Cancer Initiative's Surveillance, Epidemiology, and End Results (SEER) database, a retrospective review of patients diagnosed with primary SCCP between 2000 and 2018 was performed. Patient demographics, tumor characteristics, and patient outcomes based on treatment modality were analyzed. Univariate and survival analyses were conducted with p < 0.05 indicating statistical significance. Results A total of 66 patients were identified. Five‐year overall survival (5y OS) was 24%; mean and median survival were 2.2 years (1.8, 2.7) and 1.2 years (0.3, 2.1), respectively. Patients with Grade I or Grade II disease had an increased 5y OS of 55% (27%, 83%). In comparison, 5y OS was 13% (−2%, 29%) for patients with Grade III and Grade IV disease (p = 0.017). Analysis of 5y OS based on disease histology revealed patients with papillary SCC had a 5y OS of 50% [9.2%, 91%], compared to 21% [9%, 34%] for patients with SCC, not otherwise specified and 0% for those with lymphoepithelial carcinoma (p = 0.048). Analysis of 5y OS stratified by treatment modality revealed no statistically significant change with any treatment (surgery, radiotherapy, and chemotherapy). No difference in 5y OS was seen between those treated with radical prostatectomy versus external beam radiation therapy. Conclusions The literature on SCCP remains sparse; the rarity of this disease limits analysis. While the investigation undertaken in this paper does not find any change in 5y OS regardless of treatment modality, the variation in 5y OS based on histologic classification of SCCP points to a potential route for the future treatment of this disease.
Publisher
John Wiley & Sons, Inc,John Wiley and Sons Inc,Wiley
Subject
/ Aged
/ Carcinoma, Squamous Cell - mortality
/ Carcinoma, Squamous Cell - pathology
/ Carcinoma, Squamous Cell - therapy
/ Humans
/ Male
/ Original
/ Patients
/ Prostatectomy - statistics & numerical data
/ Prostatic Neoplasms - mortality
/ Prostatic Neoplasms - pathology
/ Prostatic Neoplasms - therapy
/ SEER Program - statistics & numerical data
/ Surgery
