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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 3 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 3

From: Evaluation of different MRI parameters in benign prostatic hyperplasia-induced bladder outlet obstruction

Fig. 3

BPH types are as follows: a type 0 BPH; normal prostate volume with no or little zonal enlargements. b Type 1 BPH; transition zone (TZ) (lateral lobe) enlargement. c Type 2 BPH; retrourethral (median) lobe enlargement (R). d Type 3 BPH; transition zone (TZ) and retrourethral zone (R) enlargement. e Type 4 BPH; pedunculated adenoma. f Type 5 BPH; pedunculated adenoma with transition zone (TZ) enlargement. g Type 6 BPH; subtrigonal enlargement. B, bladder; ED, ejaculatory duct; FMZ, fibromuscular zone; R, retrourethral (median) lobe; T, trigone; U, urethra; PZ, peripheral zone; TZ, transitional zone; CZ, central zone; P, pedunculated adenoma; ST, subtrigonal hyperplasia

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