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Biomedical subjects

F Erdemir

Publications and source records attributed to F Erdemir.

6 recordsLinked to original sources
PubMed2006

A rare complication after circumcision: keloid of the penis.

Keloids are benign hyperproliferative growths of dermal collagen that usually result from excessive tissue response to skin trauma. Although benign, they may be seen as a painful and/or pruritic lesions. A 15-year-young boy was admitted to our clinic with an enlarged scar and pain on the penis for about 1 year after a routine circumcision operation. Complete surgical resection of the lesion was done and histopathological examination revealed keloid of the penis.

Adolescent↗
PubMed2006

Hemangiopericytoma arising from the wall of the urinary bladder.

Hemangiopericytoma (HPC) arising from within the urinary bladder is exceptionally rare. A 45-year-old man having the symptoms of left groin pain, vague suprapubic discomfort and frequency was admitted to our clinic. Pelvic tomography revealed a tumor in the bladder wall measuring 4 x 3 cm and was not clearly distinct from the lower abdominal wall. Partial cystectomy was performed and the histopathological examination confirmed the hemangiopericytoma. Three thousand rad exterior beam irradiation was performed after operation. Partial cystectomy and adjuvant radiotherapy may be a simple and effective alternative operation for the patient with HPC.

Cystectomy↗
PubMed2001

Microsurgical inguinal varicocele repair in azoospermic men.

OBJECTIVES: To evaluate the efficacy of microsurgical inguinal varicocele repair in nonobstructive azoospermic men with palpable varicocele and to determine predictive parameters of outcome. METHODS: After standard diagnostic evaluation, 24 pellet (-) completely azoospermic men and 14 pellet (+) virtually azoospermic men underwent microsurgical inguinal varicocele repair. Testicular core biopsy was also performed perioperatively in all patients. The outcome was assessed in terms of improvement in semen parameters and spontaneous pregnancy. RESULTS: After a mean follow-up of 13.4 +/- 4.7 months, motile sperm in the ejaculate could be identified in 5 (21%) of the completely azoospermic patients, and these patients were rescued from invasive sperm extraction techniques when referred to intracytoplasmic sperm injection. Testicular histopathology of these patients with postoperative improvement revealed maturation arrest at spermatid stage (n = 3), Sertoli-cell-only (SCO) pattern with focal spermatogenesis (n = 1), and hypospermatogenesis (n = 1). None of the patients with pure SCO pattern or maturation arrest at spermatocyte stage had improvement after varicocele repair. However, improvement in semen parameters was observed in 12 (85.7%) patients with virtual azoospermia, 4 (28.6%) achieved a total motile sperm count greater than 5 million, and spontaneous pregnancy occurred with 3 (21.4%) of them. CONCLUSIONS: Microsurgical inguinal varicocele repair offers completely azoospermic men the chance to provide motile sperm via ejaculate in 21%. Moreover, 28.6% of virtually azoospermic men are rescued from ICSI procedures as an initial treatment modality. Results of varicocele repair in azoospermic men also reveal that a certain threshold of spermatogenesis, requiring the presence of at least spermatids, is necessary for effective varicocele repair.

Adult↗
PubMedDate not supplied

Alcock's canal releasing for pudendal artery syndrome resulting from gunshot injury.

A 21-y-old man applied to hospital with a complaint of erectile dysfunction, which started soon after a gunshot injury. The entry of the bullet was at the middle right gluteal region without any exit hole. A pelvic X-ray revealed the bullet and the scattered particles. On penile Doppler ultrasonography, the peak systolic velocities (PCV) of the right and the left cavernosal arteries were 19 and 29 cm/s, respectively. Pudendal angiography revealed poor visualization of the right pudendal artery below the level of the bullet. The patient underwent a right-sided Alcock's canal releasing surgery. After the operation, on control penile Doppler ultrasonography, PCV on the right and the left cavernosal arteries were 53 and 35 cm/s, respectively. The control angiography revealed a normal right pudendal artery. The patient was fully potent 2 y after the operation. Not only the entrapment of pudendal nerve but also the pudendal artery may cause Pudendal canal syndrome. A gunshot injury may cause such a condition due to the reaction caused by the bullet. Pudendal canal decompression is a simple and effective treatment for pudendal canal syndrome.

Adult↗