Granular cell odontogenic cyst: a unicystic ameloblastoma with late recurrence as follicular ameloblastoma. 1989

N A Abaza, and L Gold, and E Lally
Oral and Maxillofacial Surgery and Pathology, The Medical College of Pennsylvania, Philadelphia 19129.

This report is a follow-up of the original case of granular cell odontogenic cyst described by Gold and Christ in 1970. The lesion, originally treated by enucleation in 1965, recurred 18 years later as a follicular ameloblastoma with prominent plexiform and acanthomatous histologic patterns. No histologic evidence of granular cells was noted in the recurrent lesion. The recurrent ameloblastoma was treated by marginal resection of the body of the mandible and immediate reconstruction with an iliac bone graft. The anatomic restoration was excellent, and there is no recurrence 5 years postoperatively. This case supports the view that the granular cell odontogenic cyst is a unicystic (monocystic) granular cell ameloblastoma, and that the presence of granular cells in ameloblastoma is not a permanent feature and may be of little value as a prognostic indicator of aggressiveness.

UI MeSH Term Description Entries
D008336 Mandibular Diseases Diseases involving the MANDIBLE. Disease, Mandibular,Diseases, Mandibular,Mandibular Disease
D008339 Mandibular Neoplasms Tumors or cancer of the MANDIBLE. Mandibular Neoplasm,Neoplasm, Mandibular,Neoplasms, Mandibular
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009364 Neoplasm Recurrence, Local The local recurrence of a neoplasm following treatment. It arises from microscopic cells of the original neoplasm that have escaped therapeutic intervention and later become clinically visible at the original site. Local Neoplasm Recurrence,Local Neoplasm Recurrences,Locoregional Neoplasm Recurrence,Neoplasm Recurrence, Locoregional,Neoplasm Recurrences, Local,Recurrence, Local Neoplasm,Recurrence, Locoregional Neoplasm,Recurrences, Local Neoplasm,Locoregional Neoplasm Recurrences,Neoplasm Recurrences, Locoregional,Recurrences, Locoregional Neoplasm
D009807 Odontogenic Cysts Cysts found in the jaws and arising from epithelium involved in tooth formation. They include follicular cysts (e.g., primordial cyst, dentigerous cyst, multilocular cyst), lateral periodontal cysts, and radicular cysts. They may become keratinized (odontogenic keratocysts). Follicular cysts may give rise to ameloblastomas and, in rare cases, undergo malignant transformation. Keratocysts,Cyst, Odontogenic,Cysts, Odontogenic,Keratocyst,Odontogenic Cyst
D003937 Diagnosis, Differential Determination of which one of two or more diseases or conditions a patient is suffering from by systematically comparing and contrasting results of diagnostic measures. Diagnoses, Differential,Differential Diagnoses,Differential Diagnosis
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000564 Ameloblastoma An immature epithelial tumor of the JAW originating from the epithelial rests of Malassez or from other epithelial remnants of the ENAMEL from the developmental period. It is a slowly growing tumor, usually benign, but displays a marked propensity for invasive growth. Ameloblastomas

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