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Persistent Painful Ulcer of the Posterior Lingual Mandibular Mucosa

CASE CHALLENGE NUMBER: 13

Tom Daley, DDS, MSc, FRCD(C); null, null

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The following Case Challenge is provided in conjunction with the American Academy of Oral and Maxillofacial Pathology.


An ulcer involving the left posterior mandibular lingual mucosa was the chief complaint of this 55-year old white man. The ulcer was first noted about one month previously and no local eliciting factors could be identified. The ulcer had become progressively more painful in spite of antibiotic treatment (cephalexin, 500 mg, q.i.d, 8 days) and concomitant use of benzydamine hydrochloride rinse. The patient was healthy with no medical problems other than occasional nasal “stuffiness,” which was treated, as required, with budesonide nasal spray.


After you have finished reviewing the available diagnostic information, make the diagnosis.

Case Author(s)

Tom Daley

Tom Daley

DDS, MSc, FRCD(C)

Dr. Daley is a Professor in the Department of Pathology at the University of Western Ontario Faculty of Medicine and Dentistry in London, Ontario, Canada.


Note: Bio information was provided at the time the case challenge was developed.

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