Human Orf is an uncommon viral disease acquired through contact with infected sheep and goats. We report five cases of human Orf acquired while preparing mutton. The clinical picture and the management of human Orf are presented. Awareness of the benign nature of the condition is important in preventing ill-advised therapy.
Two original operative techniques of raising the extensor digitorum brevis muscle flap are presented. These methods allow for covering distal foot defects that are difficult to cover by other reconstructive means. In the first technique, the flap is based on an extended distal pedicle supplied by the dorsal interosseous artery of the first intermetatarsal space. In the second technique, the flap receives its vascular supply from the medial tarsal artery; this procedure may be valuable when the vascular supply of the dorsalis pedis pedicle has been disrupted. To confirm the availability of these vascular pedicles, cadaver dissections were performed and proved that the extended pedicle dissection enhances the rotation arc of the flap. Four selective clinical cases, in which the flap was successfully used, are discussed. Advantages of these techniques, in reconstructing large defects in the distal foot, are delineated.
For many years, bipedicled palmar advancement flaps were used rarely in fingers because they sacrificed the dorsal branches of the digital arteries, risking dorsal skin necrosis. In 1995, a short bipedicled neurovascular VY advancement flap raised distally to the PIP flexion crease, which spared the dorsal blood supply, was described by Elliot et al. (1995). This paper includes an anatomical study on 28 fresh cadaver fingers to evaluate the advancement potential of this flap. It also reviews 22 fingertip reconstructions in 22 patients using this flap. The mean advancement of the flap in the cadaver study was 14 (range 10-16) mm. This procedure gave good clinical results in respect of healing, sensibility, bone cover and appearance. Complications occurred in four fingers (18%), viz. two infections, one neuroma and one stiff proximal interphalangeal joint. Our study suggests that this flap can be used to treat fingertip defects of a size of approximately half of the pulp of the distal phalangeal segment of the finger.
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