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Biomedical subjects

J L Lockhart

Publications and source records attributed to J L Lockhart.

61 records · Page 4Linked to original sources
PubMed1979

Congenital megaureter.

Megaureter is the descriptive term applied to the large, wide, dilated and often tortuous ureter, which is usually congenital. Megaureter may result from a number of causes and an accurate diagnostic classification, such as refluxing, obstructed or non-refluxing, non-obstructed, is essential for appropriate management. The 52 consecutive patients with the various forms of megaureter presented typify the various causes of the entity. Surgical intervention virtually is universal and factors bearing upon recoverability and prognosis have been analyzed.

Classification↗
PubMed1979

Mechanical genital maldevelopment presenting as pseudovaginal perineoscrotal hypospadias.

Pseudovaginal perineoscrotal hypospadias is the descriptive terminology of a phenotypic genital abnormality that may develop from multiple etiologic factors, such as defective virilization-masculinization owing to deficient androgenic synthesis, defective androgenic action or mechanical embryologic failure. The case presented herein typifies a mechanical abnormality that results in perineal hypospadias with the appearance of a vaginal introitus but with rectal mucosa incorporated in the urethral opening.

Child, Preschool↗
PubMed1978

Megalourethra.

Two cases of megalourethra are presented, the ninth and tenth cases to be documented in the literature. Both patients exhibited mesodermal abnormalities which justify categorization among the minor forms of prune belly syndrome. One patient, the youngest to have undergone surgical correction, presented with azotemia, dilated posterior urethra, megacystis, and megaureters. The second patient with incomplete or scaphoid form of megalourethra also exhibited undescended testis, corrected by orchiopexy at the time of urethoplasty. In all instances the goal of treatment is preservation of renal function with subsequent functional and anatomic reconstruction of the urinary tract.

Child, Preschool↗
PubMed1977

Renal cyst puncture and abscess formation.

Percutaneous needle puncture and aspiration of suspected cystic renal masses may provide accurate diagnosis in selected cases. However, renal cyst puncture is not a totally innocuous procedure and certain complications may be encountered. Report is made of 2 cases of renal cyst puncture followed by abscess formation, necessitating surgical intervention. An improved technique involving surgical preparation of the operative area and utilization of double-needle method of cyst puncture is advocated.

Abscess↗
PubMed1976

Non functioning interstitial cell carcinoma of testis.

The authors add an additional case to the 13 cases of malignant interstitial cell tumor of the testis previously reported in the literature. It has been thought that the hallmark of metastatic interstitial cell tumor of the testis is endocrinopathy secondary to production of hormones by the tumor. In the case reported here there were no clinical or chemical manifestations of any endocrinopathy, making this case unique.

Adult↗
PubMedDate not supplied

[Continent urinary diversion with the Florida pouch].

Continent urinary diversion (Florida Pouch) has been performed on 151 patients. The surgical technique utilizes a detubularized extended right colon segment, a doubly-plicated segment of ileum and a non-tunneled uretero-intestinal anastomosis. Mortality rate was 1.3%. Early and late complication rates have been minimal. 2.8% were incontinent. No radiographic renal damage has been noted and electrolyte abnormalities have not been a problem. The procedure is highly recommended to those surgeons performing continent urinary diversions.

Follow-Up Studies↗