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Heterotopic and accessory salivary tissues
The Annals of Otology, Rhinology, and Laryngology
|July 1, 1986
Summary
Heterotopic salivary tissue, found in unusual locations like the neck and mandible, rarely becomes cancerous. Accessory salivary tissue, however, can develop diseases from its parent gland.
Area of Science:
- Oral pathology
- Developmental biology
- Head and neck anatomy
Background:
- Heterotopic salivary tissue occurs in locations outside normal salivary gland sites.
- Predilection sites include the neck, often related to the branchial apparatus, and the mandible.
- Neoplastic transformation of heterotopic salivary tissue is uncommon, particularly in extraosseous locations.
Purpose of the Study:
- To differentiate heterotopic salivary tissue from accessory salivary tissue.
- To discuss the implications of neoplastic transformation in these ectopic tissues.
- To highlight the distinct pathological potentials of heterotopic versus accessory salivary tissue.
Main Methods:
- Review of existing literature on salivary tissue anomalies.
- Comparative analysis of the embryological origins and pathological behavior of heterotopic and accessory salivary tissues.
- Histopathological examination of reported cases (implied).
Main Results:
- Heterotopic salivary tissue is found in abnormal locations, such as the neck and mandible.
- Neoplasms arising from extraosseous heterotopic salivary tissue are rare.
- Accessory salivary tissue, arising from major salivary glands, is susceptible to the same diseases as the parent gland.
Conclusions:
- Heterotopic salivary tissue and accessory salivary tissue represent distinct entities with different pathological risks.
- The rarity of malignancy in heterotopic salivary tissue contrasts with the potential for disease in accessory salivary tissue.
- Understanding these distinctions is crucial for accurate diagnosis and management in head and neck pathology.