Oral Maxillofacial Pathology Glossary

A localised mass of chronically inflamed granulation tissue at the apex of a non-vital tooth root, representing the body...

The spread of tumour cells along or around nerve sheaths, a pathological finding that significantly worsens prognosis in...

The macroscopic or radiologically demonstrable extension of tumour along a named nerve trunk, distinct from histological...

A rare extraosseous variant of ameloblastoma arising in the oral soft tissues, particularly the gingiva, without involve...

A reactive gingival lesion composed of multinucleated giant cells within a vascular stroma, arising exclusively on the g...

A reactive gingival lesion arising from the periosteum or periodontal ligament, characterised by fibrous connective tiss...

An eponymous synonym for calcifying epithelial odontogenic tumour (CEOT), used historically in pathology literature to h...

The most common benign tumour of the salivary glands, characterised by a mixture of epithelial and mesenchymal-like elem...

A low-grade malignant salivary gland tumour of minor glands characterised by cytological uniformity but architectural di...

The WHO-preferred collective term for oral mucosal conditions that carry a demonstrably increased risk of transformation...

An outdated term formerly applied to an odontogenic keratocyst that develops in place of a tooth, before any calcified d...

An aggressive, multifocal form of oral leukoplakia with a verrucous or papillary surface texture and a high rate of mali...

A common benign vascular reactive lesion of the oral mucosa, despite its name containing no pus and no true granulomatou...

The most common odontogenic cyst, arising at the apex of a non-vital tooth from epithelial rests stimulated by periapica...

A specific type of mucocele arising on the floor of the mouth from the sublingual or minor salivary glands, sometimes ex...

Inflammatory arthritis affecting the temporomandibular joint as a secondary response to infection elsewhere in the body,...

A mandatory pathological reporting parameter describing whether tumour cells are present at, close to, or absent from th...

A rare, benign salivary gland lesion with features resembling fibrocystic disease of the breast, characterised by dense...

A low-grade salivary gland malignancy defined by ETV6-NTRK3 gene fusion, formerly known as mammary analogue secretory ca...

Inflammation of a salivary gland, which may be acute or chronic and of infectious, autoimmune, or obstructive aetiology.

A non-inflammatory, non-neoplastic bilateral enlargement of the major salivary glands, most commonly the parotids, assoc...

The formation of calcified stones (sialoliths) within the ductal system or parenchyma of a salivary gland, most commonly...

A biphasic or monophasic malignant epithelial neoplasm of the oral cavity in which tumour cells assume a sarcomatoid spi...

A rare, locally infiltrative benign odontogenic neoplasm composed of islands of well-differentiated squamous epithelium...