Abstract
The incidence of prostatic cancer (PCa) has increased significantly, and the measurement of prostate-specific antigen (PSA) is an effective screening tool for its diagnosis. PCa includes a number of specific clinicopathological types, including squamous cell, urothelial, adenoid cystic and small-cell carcinoma, among which small-cell carcinoma of the prostate (SCCP) is extremely rare, accounting for <0.5% of all PCa cases. SCCP is very aggressive and the majority of the cases have a poor prognosis, with a mean survival of ~5 months; it also exhibits specific clinicopathological characteristics and may be divided into two subtypes, namely pure and mixed SCCP. According to the previous literature on PubMed, pure SCCP is not associated with an increase in serum PSA levels. However, the rare case presented herein exhibited an increasingly abnormal serum PSA level. The patient was aged 66 years and had a PSA level of 56.78 ng/ml (normal, <4 ng/ml); he was diagnosed with pure SCCP, underwent radical prostatectomy and has remained disease-free during the follow-up. Similar cases previously published on PubMed were also reviewed, and considerations of survival status and treatment options were analyzed.
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