Optimizing the use of local muscle flaps for knee megaprosthesis coverage

Harvey Chim, Bien Keem Tan, Mann Hong Tan, Kok Chai Tan, Colin Song

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Primary muscle flap cover of megaprostheses following limb salvage surgery for tumors around the knee serves to decrease infection rates, provide additional soft tissue cover over the implant, and act as a bed for split-skin grafting. The purpose of this study is to demonstrate the role of supplementary muscle flaps such as the hemisoleus, gracilis, and semimembranosus in augmenting coverage provided by gastrocnemius muscle flaps. Between August 1999 and August 2006, 10 patients underwent resection of distal femur (n = 5) or proximal tibia (n = 5) sarcomas, followed by bone reconstruction with a modular megaprosthesis and soft tissue coverage with local pedicled flaps. The average age was 31 years (range, 13 to 47), with pathologic diagnoses inclusive of osteosarcoma (n = 7), chondrosarcoma (n = 2), and recurrent giant cell tumor (n = 1). For proximal tibial tumors, both bellies of the gastrocnemius with hemisoleus for additional soft tissue cover were used. For distal femoral tumors, 1 gastrocnemius belly sutured to the extensor mechanism and gracilis or semimembranosus provided adequate soft tissue cover. All flaps survived without complications, all wounds healed well, and all patients were ambulant after surgery. The role of supplementary muscle flaps was demonstrated in specific situations, where coverage of the subcutaneous area of the midtibia was deficient and where a significant amount of the vastus medialis or gastrocnemius has been resected. Technical refinements included primary skin grafting to relieve tension during skin closure and excision of the aponeurosis over the gastrocnemius and hemisoleus to increase the reach and surface area of the muscle flap.

Original languageEnglish (US)
Pages (from-to)398-403
Number of pages6
JournalAnnals of Plastic Surgery
Volume59
Issue number4
DOIs
StatePublished - Oct 2007
Externally publishedYes

Fingerprint

Knee
Muscles
Skin Transplantation
Giant Cell Tumors
Neoplasms
Limb Salvage
Chondrosarcoma
Surgical Flaps
Quadriceps Muscle
Osteosarcoma
Thigh
Tibia
Sarcoma
Femur
Skeletal Muscle
Bone and Bones
Skin
Wounds and Injuries
Infection
Hamstring Muscles

Keywords

  • Gastrocnemius flap
  • Knee tumor
  • Limb salvage surgery
  • Local flaps
  • Megaprosthesis
  • Tumor reconstruction

ASJC Scopus subject areas

  • Surgery

Cite this

Optimizing the use of local muscle flaps for knee megaprosthesis coverage. / Chim, Harvey; Tan, Bien Keem; Tan, Mann Hong; Tan, Kok Chai; Song, Colin.

In: Annals of Plastic Surgery, Vol. 59, No. 4, 10.2007, p. 398-403.

Research output: Contribution to journalArticle

Chim, Harvey ; Tan, Bien Keem ; Tan, Mann Hong ; Tan, Kok Chai ; Song, Colin. / Optimizing the use of local muscle flaps for knee megaprosthesis coverage. In: Annals of Plastic Surgery. 2007 ; Vol. 59, No. 4. pp. 398-403.
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