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Related Experiment Video

Updated: Mar 29, 2026

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection
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Extraosseous ameloblastoma: a case report.

Sakthi Saranya Devi1, Vinod Thangaswamy2, P K Meena Priya3

  • 1Department of Oral Medicine and Radiology, JKKN Dental College, Komarapalayam, Namakkal, Tamil Nadu State, India, 638183. sakthidophin@gmail.com.

Journal of Medical Case Reports
|March 28, 2026
PubMed
Summary
This summary is machine-generated.

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Peripheral extraosseous ameloblastoma is a rare soft-tissue growth on the mandible. Accurate diagnosis through biopsy and immunohistochemistry is crucial for proper management of this uncommon oral lesion.

Area of Science:

  • Oral pathology
  • Surgical oncology

Background:

  • Peripheral extraosseous ameloblastoma is a rare entity, accounting for 1-5% of ameloblastoma cases.
  • Presents as a soft-tissue growth, often on the lingual mandibular region.
  • Can be initially misdiagnosed as a granulomatous lesion or peripheral giant cell granuloma.

Purpose of the Study:

  • To report a case of peripheral extraosseous ameloblastoma.
  • To highlight the importance of considering this rare tumor in the differential diagnosis of oral soft-tissue swellings.

Main Methods:

  • A case presentation of a 28-year-old female with a lingual mandibular growth.
  • Diagnostic procedures included clinical examination, biopsy, and immunohistochemistry (cytokeratin 19).

Main Results:

Keywords:
Case reportCytokeratin 19Extraosseous ameloblastomaIHCPeripheral ameloblastoma

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  • Histopathology and immunohistochemistry confirmed the diagnosis of peripheral extraosseous ameloblastoma.
  • The lesion presented as a papillary growth with no radiographic changes.

Conclusions:

  • Peripheral extraosseous ameloblastoma should be included in the differential diagnosis of oral soft-tissue growths.
  • Accurate identification is essential for appropriate patient management.