Which clinical history findings are characteristic of stromal tumors of uncertain malignant potential (STUMP)?

Updated: Jan 04, 2021
  • Author: Fabio R Tavora, MD, PhD; Chief Editor: Liang Cheng, MD  more...
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Stromal tumors of uncertain malignant potential (STUMP) have been reported in both young patients and elderly patients (age range, 27-83 y), with most patients older than 50 years.

Patients present most often with urinary and/or fecal obstruction, hematuria, abnormal rectal examination with a rectally palpable mass, or elevated prostate specific antigen (PSA) levels. [21] Association with adenocarcinoma of the prostate has been reported in a small percentage of cases. [3, 10, 12]

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