TRANSPOSITION OF FIRST DIGITAL PAD FOR RECONSTRUCTION OF A SOFT TISSUE DEFECT (CASE REPORT)
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Surgery of malignant tumors on legs, especially near carpal or tarsal joints, can be a challenge for the surgeon: If the correct wide margins are made, skin graft or flaps are mandatory to close the tissue defect. Sometimes the surgeon also needs a bit phantasy, as this very impressive case report from the UK shows!
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An 8-year-old female neutered Siamese cat was presented with a recent history of incomplete excision of an apocrine gland adenocarcinoma from the palmar aspect of the right antebrachium, just proximal to the carpal joint.
There was no evidence of metastasis. Wide surgical excision of the previous surgery site was performed resulting in a soft tissue defect.
Partial reconstruction was achieved using digital pad transposition of the first digit (dewclaw), forming a local axial pattern flap that was transposed into the adjacent defect.
The remaining defect was closed by primary apposition.
The skin flap healed successfully. Some breakdown of the skin closed by primary apposition necessitated open wound management.
The cosmetic and functional result of the first digital pad transposition was considered excellent, rendering it a useful means to reconstruct soft tissue defects in the carpal region.
Source: Fearnside SM, Straw RC. (2003): Transposition of first digital pad for reconstruction of a palmar antebrachial soft tissue defect in a cat. In: Aust Vet J. 2003 Jan-Feb;81(1-2):50-3.
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