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Biomedical subjects

C Gerber

Publications and source records attributed to C Gerber.

167 records · Page 10Linked to original sources
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Primary pleomorphic adenoma of the external auditory canal diagnosed by fine needle aspiration cytology. A case report.

BACKGROUND: Pleomorphic adenoma (PA) arising in the external auditory canal (EAC) is a very rare neoplasm, thought to be derived from ceruminous glands. CASE: A 43-year-old male presented with a slowly growing mass in the right EAC. Clinical and radiologic examinations showed a well-circumscribed tumor limited to the EAC, without a connection to the parotid gland. Fine needle aspiration cytology (FNAC) revealed the typical cytologic findings of PA. The diagnosis was confirmed by histologic examination. CONCLUSION: This case illustrates that together with clinical and radiologic findings, primary PA of the EAC can confidently be diagnosed by FNAC.

Adenoma, Pleomorphic↗
PubMedDate not supplied

Skier's thumb. Surgical treatment of recent injuries to the ulnar collateral ligament of the thumb's metacarpophalangeal joint.

Acute rupture of the ulnar collateral ligament of the metacarpophalangeal (MCP) joint of the thumb is often sustained in downhill skiing accidents an is hence called "skier's thumb." All complete ruptures seen at our hospital between 1975 and 1979 were operated using the "fishhook" pullout wire technique. Follow-up results 29 months after early operation are presented for 47 cases. The overall results are excellent in 29, good in 14, and fair in 3 patients. Our result had to be considered a failure. No patient had serious functional impairment or major constant pain. No patient took any pain medication. No reintervention was necessary. The distal bony avulsions showed the most favorable prognosis, and the ligamentous midsubstance tears, the least favorable. The fishhook pullout wire technique can be used in both ligamentous and bony avulsions of the ulnar collateral ligament and provides good or excellent results in 90% of the cases.

Athletic Injuries↗
PubMedDate not supplied

Total elbow replacement with the GSB III prosthesis.

Fourteen consecutive elbows have been treated for rheumatoid arthritis (9 elbows) and for post-traumatic osteoarthrosis (5 elbows) by total elbow replacement with the GSB III implant. The elbows were reviewed retrospectively after a mean follow-up of 6 years (2 to 9 years). Ten of 14 elbows had a functioning GSB III implant at follow-up; 7 of them were rated satisfactory and 3 unsatisfactory with the Mayo elbow performance score. In 5 of these 10 cases, the patients had significant pain relief with no or only mild pain at follow-up, whereas 5 had moderate to severe pain. With a functioning implant the range of motion averaged 140 degrees of flexion, 19 degrees of lack of extension, 65 degrees of pronation, and 84 degrees of supination. Six (43%) elbows had major complications requiring 1 to 8 additional operations. Aseptic loosening requiring revision occurred in 4 (29%) elbows. Two of them were treated by a resection arthroplasty, and 2 were revised with another hinged semiconstrained device. Three further elbows had radiolucent lines involving more than 50% of the cement-bone interface of either the humeral or the ulnar component. However, in 8 elbows the cementing technique was considered marginal or inadequate. Poor cementing (marginal or inadequate) was associated with loosening (P = .008). The GSB III total elbow prosthesis can restore function and reduce pain. The rate of aseptic loosening in this series was higher than previously reported. Based on this observation, we conclude that the GSB III implant seems to be sensitive to the insertion technique and does not tolerate suboptimal cementing.

Aged↗