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  • NCI-ISBI 2013 Challenge - Automated Segmentation of Prostate Structures

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Radiology diagnostic report case ProstateDx-01-0001

Prostate has a maximal lateral diameter of  5.2 cm, a maximal craniocaudal diameter of 3.6 cm and a maximal AP diameter of 2.8 cm resulting in an estimated gland volume of 27 cc. The zonal anatomy is preserved.     In the mid third of the prostate, in the anterior aspect of the right paramedian central gland, at 11 o'clock, there is a irregular 13 x 14 mm area of suspicious enhancement, suggestive for malignancy (series 701 slice location 27-36). On the T2-W images the mass abuts the fibromuscular band and there is asymmetric bulging. There is also suspicious enhancement beyond the deviated fibromuscular band in this location.  Beginning extraprostatic extension very likely. Series 501 slice location 33-36.    The peripheral zones show no evidence of malignancy. No evidence for involvement of the neurovascular bundle on either side. The seminal vesicles and show diffuse low signal on the  T2 weighted images; however the anatomy of the seminal vesicles with thin walls and regular vesicles seems to be preserved; there is no suspicious enhancement seen within the vesicles or within the walls. Therefore this T2 hypo intensity most likely caused by radiation. Seminal vesicles infiltration unlikely. No evidence of involvement of bladder neck and rectal wall.  No suspiciously enlarged obturator and iliac lymph nodes. IMPRESSION: 1) 1.4cm mass in the right anterior paramedian central gland, mid third of the prostate, as detailed above. Findings are highly suspicious for beginning extraprostatic extension (beyond the fibromuscular band) at 11 o'clock.  2) No evidence for involvement of the neurovascular bundle on either side.   3) No evidence of seminal vesicles infiltration.  4) No suspiciously enlarged obturator and iliac lymph nodes.