REPAIR OF LARGE SKULL BASE DEFECT FOLLOWING EXCISION OF BASALOID SQUAMOUS CELL CARCINOMA OF MAXILLO-ETHMOID REGION: A CASE REPORT

Abstract

Monoj Mukherjee1, Avishek Palai2, Shubhrakanti Sen3, Siddhartha Das4, Somnath Saha5

AIM: To present a case of basaloid squamous cell carcinoma of maxillo-ethmoid region with intracranial extradural extention and its surgical management including repair of the skull base defect

MATERIAL: A 30 year female presented with progressive bilateral nasal obstruction, facial deformity for 5 years duration. She developed blindness in last 6 months. Recent CT scan showed large heterogeneous enhancing soft tissue mass in right maxillary sinus, nasal cavity and right ethmoid sinus invading the skull base.

INTERVENTION: She underwent excision of the mass by modified weber ferguson incision and repair of skull base defect with temporalis muscle flap. Skin defect over the face and nose was repaired by median forehead flap.

RESULT: There was total tumor clearance and no CSF leakage following surgery.

CONCLUSION: Sinonasal malignancy with intracranial extradural extention is not a contraindication for successful surgical management. Resultant skull base defect can be repaired by a temporalis muscle flap to prevent CSF leak and intracranial infection.

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