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Biomedical subjects

D Vukanić

Publications and source records attributed to D Vukanić.

6 recordsLinked to original sources

True hermaphroditism: 10 years' experience.

True hermaphroditism (TH) is the rarest variant of intersex malformations. By definition, these patients have both ovarian and testicular tissue. Most present due to ambiguous genitalia and/or gynecomastia. From 1986 to 1996, we treated 97 patients with intersex disorders; there were 4 with TH. In all cases testicular and ovarian tissue was separate. In 3 patients the external genitalia were ambiguous and 1 had hypoplastic male genitalia. Three patients had a 46, XY and 1 a 46, XX karyotype. Three patients had been listed as males and 1 as a female. The number of operations required varied from 3 to 9 (mean 5.7 per patient). Two patients who had been raised as males finished puberty with hypogenitalism and hypoplastic testes. One married and could have erections, but no ejaculation. Two male patients have been on supplementary androgen therapy. The only patient who had been raised as a female after clitorovaginoplasty had a 6-cm-deep, blind-ending vagina that was deepened to 12 cm with bougienage, so that she was capable of having normal intercourse. It is felt at present that most patients with TH should be raised as females. This was confirmed in our patients as well, which underlines the significance of early diagnosis.

Adolescent↗

[Multicystic dysplastic kidney. Therapeutic dilemmas and personal experience].

A multicystic dysplastic kidney (MCDK) is one of the most frequent causes of abdominal mass in the neonate. Prenatal echography permits early and frequent diagnostics. It is a nonfamilial disease without associated cystic disease of the pancreas, liver or lungs. Indications for elective surgery are clear when there is a symptomatic disease. However, treatment of asymptomatic patients is controversial. A rising number of authors prefer nonsurgical approach, leaving MCDK intact with a close follow-up of patients for possible severe complications (malignancy, hypertension, infection, pain, rupture). We treated 15 patients with MCDK from 1984 to 1994. Diagnosis was passed antenatally in 7 (47%) patients, accidentally in 2, and based on the presence of abdominal mass in 6 patients. Two patients had renal failure due to the abnormal contralateral kidney. Nine patients were operated on and 6 were treated nonsurgically. The risk of complications associated with nonsurgical treatment, easiness of efficient surgery at the age of 3-6 months, avoiding stress in the child and family due to long-term follow-up, all suggest operative treatment. We suggest to parents both operative and nonoperative options, explaining the risk and danger of both. We believe that nephrectomy is the best solution in a child with MCDK who is growing, develops hypertension, with uncertain diagnosis or when adequate follow-up is impossible.

Female↗

[Intestinal intussusception in children. Ultrasonic diagnosis].

The aim of the paper is to demonstrate a successful use of ultrasound in the diagnosis of intestinal intussusception in children. Ultrasound decreases the number of irrigographic examinations and reduces diagnostic exposure of children to X-rays. In the last three years 35 children, aged from 3 months to 15 years (average 2 years), had a suspected clinical diagnosis of intussusception. The ultrasound studies revealed intestinal intussusception in 26 patients (74%). There were no false positive or false negative ultrasound findings. In four patients with secondary intussusception the main symptoms were identified (three solid lesions and two Meckel's diverticula). Intraluminal lesions at the apex of intussusception were confirmed by surgery. In 22 patients intussusception was idiopathic. In 15 of these patients (68%), hydrostatic desinvaginations, under combined ultrasound and radioscopic control, were successful. High grade unsuccessful hydrostatic reductions were associated with long persistence of symptoms (2 to 9 days). Ultrasound is reliable in diagnosis of intestinal intussusception and useful in control of hydrostatic reduction. In patients with expected intestinal perforation ultrasound should be combined with fluoroscopy.

Adolescent↗

[Clinical heterogeneity in patients with ocular myopathies].

We present the results of clinical, electrophysiological, and biopsy studies in patients with ocular myopathy. Nine patients (four women and five men) were included in these investigations. According to the biopsy findings the patients were divided into patients with oculocraniosomaltic syndrome (OCSS) and patients with oculopharyngeal muscular dystrophy (OPMD). The presented clinical features, especially in the OCSS groups was more variable. Associated neurological and multisystem disturbances were characteristic of OCSS. Biopsy findings were of essential significance in distinguish these two conditions, especially in cases of the late onset.

Adolescent↗