Department of Oral Pathology

OPTH 631 - ORAL & MAXILLOFACIAL PATHOLOGY

OPTH 631 Clinical Pathologic Conference #11
November 29, 2000

Case #1:

This 56 year old man presented with: Erosion of the right and left buccal mucosa, floor of the mouth and lips. The red areas are partially covered by a yellow/grey membrane.

A reasonable clinical differential Dx:

• Erythema multiforme
• Chemical burn
• Pemphigus vulgaris

Case #2:

This 17 year old man has: A 0.5 cm diameter, pale, smooth surfaced, low dome-shaped nodule on his maxillary alveolus facial to tooth #6.

A reasonable clinical differential Dx:

• Exostosis (it was boney hard)
• Gingival cyst of the adult
• Alveolar abscess

Case #3:

This 16 year old boy has: Generalized loss of the maxillary and mandibular facial gingiva and bone. Interdental areas are red.

A reasonable clinical differential Dx:

• Facticial injury (he was a compulsive tooth brusher)
• Juvenile periodontitis

Case #4:

This middle-aged man has: A 1 cm light brown sessile nodule on the left buccal mucosa.

A reasonable clinical differential Dx

• Fibroma with traumatic pigmentation
• Benign nerve tumor
• Intramucosal nevus

Case #5:

This 13 year old girl has: An ill-defined "ground glass" radiopacity involving the cuspid and bicuspid area of the right maxilla.

A reasonable clinical differential Dx:

• Fibrous dysplasia (the very best choice)

Much less better choices:

• Idiopathic osteosclerosis
• Condensing ostietitis

Case #6:

This 21 year old man has: A 0.5 x 0.4 centimeter fenestration of the left lateral soft palate. The surrounding mucosa is normal in color and texture.

A reasonable clinical differential Dx:

• Developmental lateral palatal fistula
• Traumatic perforation
• Surgical defect due to tonsilectomy

This case is c/o Dr. Brad Neville

Last updated December 7, 2000 by Tom Maier. Please send comments, questions, and reports of problems to maiert@ohsu.edu