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Biomedical subjects

Peter G Drewes

Publications and source records attributed to Peter G Drewes.

2 recordsLinked to original sources

Vascular anatomy over the superior pubic rami in female cadavers.

OBJECTIVE: The objective of the study was to characterize the vascular anatomy over the superior pubic ramus. STUDY DESIGN: Detailed dissections of the retropubic space were performed in 15 fresh female cadavers. Vessels crossing the superior pubic rami were inspected for width, course, communications, and relationship to the midline of the pubic symphysis and the obturator canal. RESULTS: Vessels 1 mm or greater in width connecting the obturator vessels and inferior epigastric or external iliac vessels were noted in 10 of 15 (66.7%) cadavers: 9 (60%) had veins, 5 (33.3 %) had arteries, and 4 (26.7%) had both. In all specimens, the vessels crossed over the superior pubic rami lateral to or at the level of the obturator canal, which was on average 5.4 cm from the midline of the pubic symphysis. CONCLUSION: Communicating vessels crossing the superior pubic rami were present in the majority of specimens. Understanding this anatomy should aid the surgeon in avoiding vascular complications.

Adult↗

Actinomyces associated with persistent vaginal granulation tissue.

BACKGROUND: We report a case of symptomatic actinomycosis associated with vaginal suture erosion and granulation tissue refractory to conservative management, in an outpatient setting. CASE: Three months after total vaginal hysterectomy and uterosacral ligament vaginal vault suspension, a woman complained of painless, intermittent vaginal discharge and spotting. Despite cauterization of granulation tissue, vaginal spotting persisted for another month. On re-examination, braided polyester suture that was found underlying the granulation tissue was removed. Recurrent symptoms, together with a biopsy revealing actinomycetes, prompted a trial of oral penicillin VK. With persistent symptoms and discomfort during attempts in the outpatient clinic, the woman eventually required suture removal in the operating room. Her symptoms subsequently resolved without recurrence, and no further antibiotic treatment was required. CONCLUSIONS: Actinomyces may be associated with persistent granulation tissue and vault suspension suture material. In rare circumstances, when tissue debridement and suture removal in the clinic is unsatisfactory, surgical intervention in the operating room may be necessary. Ten days of antibiotic therapy alone did not eradicate the granulation tissue, and symptoms resolved only after complete removal of the underlying permanent suture.

Actinomyces↗