2012
DOI: 10.5301/ru.2012.9099
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Incidental Prostatic Stromal Tumor of Uncertain Malignant Potential (STUMP): Histopathological and Immunohistochemical Findings

Abstract: D e p a r t m e n t o f U r o l o g y , S a p i e n z a R o m e U n i v e r s i t y , R o m e -I t a l y D e p a r t m e n t o f U r o l o g y , S a p i e n z a R o m e U n i v e r s i t y , R o m e -I t a l y D e p a r t m e n t o f U r o l o g y , S a p i e n z a R o m e U n i v e r s i t y , R o m e -I t a l y D e p a r t m e n t o f U r o l o g y , S a p i e n z a R o m e U n i v e r s i t y , R o m e -I t a l y D e p a r t m e n t o f U r o l o g y , S a p i e n z a R o m e U n i v e r s i t y , R o m e -… Show more

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Cited by 11 publications
(11 citation statements)
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“…In patients with PSS, staining for myogenic antibodies, such as SMA, desmin, muscle, and MyoD1, was positive [11, 12]. Other parameters, such as cellular characteristics, mitotic activity, necrosis, and expansion into the surrounding organs, can also be used to distinguish the 2 diseases [13]. In T2-weighted imaging, PSS often presents as solid lesions with heterogeneous signals [14].…”
Section: Discussionmentioning
confidence: 99%
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“…In patients with PSS, staining for myogenic antibodies, such as SMA, desmin, muscle, and MyoD1, was positive [11, 12]. Other parameters, such as cellular characteristics, mitotic activity, necrosis, and expansion into the surrounding organs, can also be used to distinguish the 2 diseases [13]. In T2-weighted imaging, PSS often presents as solid lesions with heterogeneous signals [14].…”
Section: Discussionmentioning
confidence: 99%
“…STUMP showed a mixed or high signal in T2-weighted imaging, while prostate adenocarcinoma showed a low signal in T2-weighted imaging [14]. In rare cases, STUMP may also be concurrent with prostate adenocarcinoma [13]. In addition, STUMP coexisting with PSS also needs to be differentiated from synovial sarcoma, rhabdomyosarcoma, and other sarcomas [15].…”
Section: Discussionmentioning
confidence: 99%
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“…Parameters used to differentiate these 2 processes include cellularity, mitotic activity, necrosis, and extension into surrounding organs. 4 The etiology and pathogenesis of STUMP is unknown, and no confirmed risk factors have been identified. A small number of cases are diagnosed in the setting of a concurrent prostatic adenocarcinoma.…”
Section: Stromal Tumor Of Uncertain Malignant Potential (Stump)mentioning
confidence: 99%
“…A small number of cases are diagnosed in the setting of a concurrent prostatic adenocarcinoma. 4 Owing to the rarity of these tumors, the classification, expected clinical course, and treatment recommendations are still a matter of debate.…”
Section: Stromal Tumor Of Uncertain Malignant Potential (Stump)mentioning
confidence: 99%