Cadaveric Specimen Study of Prostate Microvasculature: Implications for Arterial Embolization

Journal of Vascular and Interventional Radiology : JVIR
Ricardo D Garcia-MonacoOscar A Peralta

Abstract

To describe the prostatic microvasculature anatomy and to measure the diameter of the intraprostatic vessels from human cadaveric specimens. The prostates of 18 white males (35-68 years of age; mean prostate volume, 60.11 mL) were fixed in a solution of phosphate-buffered 10% formaldehyde and processed histologically with hematoxylin and eosin stain, Masson trichrome stain, immune peroxidase, and immunofluorescence. Fluorescence-conjugated antibodies (anti-CD34 and anti-actin smooth muscle) were used to mark the endothelium and the fibromuscular stroma, respectively. Each slide was digitally scanned and photographed under microscopy to measure the intraprostatic arterial diameters using image analysis software. In 28 hemipelvises (77.8%) a single dominant prostate artery was found (mean diameter, 1.96 mm). The microvasculature study identified 3 types of intraprostatic arterial distributions: internodal (IT), perinodal (PN), and intranodal (IN). The IT arteries are located at the trabeculae of the hyperplastic stroma between the nodules. The PN arteries were located at the periphery of each hyperplastic nodule before entering into it. The IN vessels were located inside the hyperplastic nodules as terminal arteries to the glands...Continue Reading

Citations

Jul 17, 2020·Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes·Neeral R PatelMartin E Simons
Aug 2, 2021·Journal of Vascular and Interventional Radiology : JVIR·André Moreira de AssisGiovanni Guido Cerri

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