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The Keystone Flap in Dermatology: Clinical Experience with 18 Patients.

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INTRODUCTION AND OBJECTIVES The keystone flap is a fasciocutaneous flap supplied by perforating arteries. It is used in dermatology to repair surgical defects in areas with low skin extensibility (the… Click to show full abstract

INTRODUCTION AND OBJECTIVES The keystone flap is a fasciocutaneous flap supplied by perforating arteries. It is used in dermatology to repair surgical defects in areas with low skin extensibility (the upper and lower limbs and the back). We review the clinical experience gained with keystone flap reconstruction at our hospital and report on the surgical outcomes. MATERIAL AND METHODS Descriptive retrospective study of patients with malignant skin tumors on the lower limbs who underwent keystone flap reconstruction. RESULTS Eighteen patients (mean age, 77.83 years) underwent keystone flap reconstruction using the Behan technique in 17 cases and the modified Moncrieff technique in one. Basal cell carcinomas accounted for 38.8% of the tumors excised, squamous cell carcinomas 33.3%, and malignant pigmented tumors 27.7%. Cardiovascular risk factors were observed in 72.2% of patients. Minor complications occurred in 38.8% of patients, and there were no cases of partial or total flap necrosis. CONCLUSIONS We consider the keystone flap to be a good alternative to other flaps and grafts for the surgical reconstruction of lower limb defects. The success rate was high, and the cosmetic and functional outcomes were good.

Keywords: keystone flap; clinical experience; reconstruction; dermatology

Journal Title: Actas dermo-sifiliograficas
Year Published: 2018

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