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TITLE JAW TUMOUR SIMILATING PLEOMORPHIC ADENOMA RT PAROTID ORJI, F.E; ORJI, G.I; OBASOHAN, M; ANYANWU, C.C
 
HISTORY S.R, Hosp no.6166, 36years, male. Presented on 30.5.05 with a 4-yr history of a non-painful right jaw tumor, steadily increasing in size. There was no weight loss, and no cough.
 
PHYSICAL FINDINGS He looked healthy and was neither pale nor jaundiced. There was a 10 X 8 cm swelling visibly situated on the right parotid region, and shaped exactly like a parotid gland tumor. There was no regional lymph node enlargement, and no facial palsy.
 
INVESTIGATIONS CXRay and x-ray of the neck were normal. FBC was normal, ESR 5mm/hr, HIV I & II – negative, HbsAg – negative.
 
SPECIFIC THERAPY A diagnosis of a right parotid pleomorphic adenoma was made. However at surgery, under intubated general anesthesia, an edematous right parotid gland was found overlying a deep-seated mass 10 X 8 cm, smooth surfaced and well encapsulated, and attached firmly to the anterior part of the cartilage of the middle ear.
 
AFTER-CARE Post-op care was uneventful, except that the parotid tissue edema persisted for nearly 6 months, simulating the pre-operative condition in shape and size. Histological examination showed angiofibroma, and no parotid tissue was seen. Access to the tumor was achieved by a transverse incision on the mid-parotid, avoiding the branches of the facial nerve.
 
COMMENT The surgery commenced as with that for the excision of a superficial parotid tumor. The facial nerve lying beside the mastoid process however did not enter the tumor, which had a plane of cleavage separating it from the deep part of the parotid gland.

 

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