Oral Maxillofacial Pathology Glossary
105 terms total — 24 showing — Last updated 15 Sep 2026
AOT AOT
Acronym for Adenomatoid Odontogenic Tumour, a benign encapsulated odontogenic lesion of the anterior jaws predominantly seen in young females.
EBER
Epstein–Barr Virus Encoded RNA; a highly sensitive in situ hybridisation marker used to confirm EBV association in lymph...
Enamel Pearl
A small, spherical nodule of ectopic enamel deposited on the root surface of a tooth, typically at the furcation area, c...
Epithelioid Haemangioendothelioma
A rare, intermediate-grade malignant vascular neoplasm arising in soft tissue or bone—including the jaws—composed of epi...
Epstein Pearls
Small, white, benign keratin-filled cysts found on the midpalatal raphe of neonates, representing remnants of epithelium...
Epulis
A clinical descriptive term for any localised gingival swelling or tumour-like growth, used without implying a specific...
Epulis Fissuratum
A benign hyperplastic tissue reaction of the oral mucosa, characterised by fibrous folds or flaps of tissue forming arou...
Erythroplakia
A fiery-red oral mucosal patch that cannot be attributed to any other identifiable condition and carries a higher risk o...
Extranodal NK/T-Cell Lymphoma
An aggressive EBV-associated lymphoma arising in extranodal sites, most frequently the nasal cavity and palate, with a p...
Fibrous Dysplasia
A benign skeletal developmental anomaly in which normal medullary bone is replaced by fibrous tissue with irregularly sh...
Florid Cemento-Osseous Dysplasia
A multifocal, bilateral form of cemento-osseous dysplasia characterised by extensive replacement of periapical bone by f...
Frozen Section
An intraoperative diagnostic technique in which excised tissue is rapidly frozen, sectioned, and stained to provide the...
Ghost Cell
An altered epithelial cell with an eosinophilic cytoplasm and no nucleus, leaving only a cell 'outline'; a pathognomonic...
Ghost Cell Odontogenic Carcinoma
A rare malignant odontogenic epithelial neoplasm characterised by ghost cells and a locally aggressive, potentially meta...
Gingival Cyst of the Adult
A small, superficial soft-tissue cyst arising in the attached gingiva or interdental papilla of adults, derived from res...
Glandular Odontogenic Cyst
A rare, locally aggressive odontogenic cyst of the jaws characterised by a unique epithelial lining with glandular and m...
GOC
Acronym for Glandular Odontogenic Cyst, a rare locally aggressive jaw cyst with a glandular epithelial lining.
Gorham–Stout Disease
A rare osteolytic disorder characterised by proliferation of vascular or lymphatic channels within bone, resulting in pr...
Gorlin–Goltz Syndrome
An autosomal dominant condition caused by PTCH1 gene mutation, characterised by multiple odontogenic keratocysts, skelet...
Haemangiopericytoma
A vascular neoplasm formerly classified as a distinct entity but now largely reclassified under the solitary fibrous tum...
IHC
Immunohistochemistry; a laboratory technique that uses antibody–antigen interactions to identify specific proteins in ti...
Immunohistochemistry Panel
A coordinated battery of immunohistochemical stains applied to tissue sections to characterise the phenotype of a lesion...
Intraosseous Carcinoma
A primary carcinoma arising within the jawbones from odontogenic epithelium, without an identifiable primary mucosal or...
Keratocystic Odontogenic Tumour
A former WHO designation (2005–2017) for the lesion now re-classified as odontogenic keratocyst (OKC); editors must reco...
Koilocyte
A squamous epithelial cell showing the cytopathic effect of human papillomavirus (HPV) infection, characterised by perin...