Table 2.
Conditions | Histologic and Anatomic Features |
---|---|
Anatomic
| |
Anterior fibromuscular stroma | Dense fibromuscular band anterior to the transition zone |
Surgical capsule | Band of fibromuscular and compressed glandular tissue between the transition zone and peripheral zone |
Central zone | Complex crowded glands and dense stroma surrounding the ejaculatory ducts |
Periprostatic vein | Venous plexus closely associated with the pseudocapsule |
Periprostatic lymph nodes | Lymph nodes adjacent to the lateral or posterolateral prostate |
Benign pathologic | |
Stroma-rich BPH | Stromal fibromuscular proliferation in the transition zone and occasionally in the peripheral zone |
Bacterial prostatitis (acute or chronic) | Inflammatory (neutrophils or lymphocytes) infiltrate with or without glandular atrophy |
Mycobacterial granulomatous prostatitis | Granulomatous inflammation with or without central caseation |
Malacoplakia | Granulomatous inflammation with Michaelis-Gutmann bodies |
Atrophy | Crowded glands with scant cytoplasm and nuclear crowding |
Necrosis | Coagulative necrosis with surrounding chronic inflammatory infiltrate and atrophy |
Calcification | Concreted prostatic secretions or calcified corpora amylacea |
Hemorrhage | Hemorrhage |