alexa The incidence of prostate cancer progression with undetectable serum prostate specific antigen in a series of 394 radical prostatectomies.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Diabetes & Metabolism

Author(s): Oefelein MG, Smith N, Carter M, Dalton D, Schaeffer A

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Abstract PURPOSE: Serum prostate specific antigen (PSA) has been reported to be a sensitive indicator of recurrent carcinoma after radical prostatectomy but it is not absolute. Disease progression with undetectable PSA levels has been described but the incidence of this phenomenon is unknown. MATERIALS AND METHODS: We retrospectively analyzed the records of 394 consecutive men who underwent radical prostatectomy between 1980 and 1991 to characterize the incidence of recurrent carcinoma despite undetectable serum PSA levels. RESULTS: Of the 394 men 133 had documented evidence of disease recurrence, 3 (2.3\%) despite undetectable serum PSA levels (2 had local and systemic evidence of disease progression). Histological dedifferentiation characterized these recurrences. CONCLUSIONS: Although a post-prostatectomy detectable serum PSA level precedes clinical evidence of disease progression by years, rare patients (2.3\% in our series) in whom recurrent disease is characterized by marked histological dedifferentiation will remain negative for PSA.
This article was published in J Urol and referenced in Journal of Diabetes & Metabolism

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