primary malignant lymphoma of the male external genitalia is extremely rare and it is even rarer in the penis. because of its rarity, the possibility of delay in diagnosis and mismanagement is always there. it can present as a nodule, non-healing ulcer, stricture urethra or periurethral abscess. we report a case presenting first a nodule and later on as a non-healing ulcer which was diagnosed b...

Background and Objective: Penile size is of great importance between some men and they are looking for a longer penis. The number of urologists visiting for complaining about short penis is increasing. Therefore, providing a definition of normal penis size can help Iranian physicians and patients. Methods: This study was performed as a cross-sectional descriptive study in 1396-97 at Imam Sajja...

a rare case of tuberculosis of the glans penis is described in a 60 year old lranian individual

The penis of adult rats comprises the corpus cavernosum penis and the proximal and distal segments of os penis which are situated proximal-distally in this order. Androgens are necessary for the phenotypic differentiation of these tissues. In the present study, genital tubercular mesenchyme of foetal rats was recombined with or without homologous or heterologous epithelia and transplanted benea...

In this study, histological and macroanatomical structures of porcupine penis were examined on 3 adult male porcupines. The non-erectile position of porcupine penis was directed to caudal. There was an obvious collum penis. Glans penis with a black colour was easily distinguished from corpus penis which had a white color. There were cornified papillae covering on both the glans penis and corpus...

primary kaposi sarcoma of penis is very rare. we will introduce a 47 years old male patient referred to our clinic from dermatology service, in this report. the patient suffered from itchy penile papules around coronal region. the lab tests had revealed a negative serology of hiv but tissue pcr was positive for human herpesvirus-8 (hhv8).  histological findings were compatible with kaposi sarco...

BACKGROUND The aim of the study was to describe the shear wave velocity (SWV) values of the penis by virtual touch tissue quantification (VTTQ) and to examine the clinical usefulness of this procedure in evaluation of the rigidity changes in penile erection. PATIENTS AND METHODS.: VTTQ was performed in 37 healthy volunteers. In the course of erection, SWV values of glans penis, corpus penis an...

Background: Fixed drug eruption (FDE) is an uncommon adverse reaction to medications. Mucosal areas, particularly the male genitalia, are favored sites. To our knowledge, no study has investigated the causative agent(s) in FDE occurring on male genitals of Iranian patients. So, we conducted a study to determine the most common agents and areas of involvement in fixed genital drug eruption of ma...

375 Abstract: In rats penis development a seen two stages in prenatal life, the second stage is androgen hormone dependent chondrocyte and osteocyte differentiation period. To investigate Tamoxifane (Tx) administration on the developmental anomalies of penis. The newborn male rats were injected with 100 μg Tamoxifen subcutaneously from the day of birth to fifth day. This changes in Os penis and...