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Nasopharyngeal leiomyomatous hamartoma: case report
Takanori Nishiyama1, Yasumasa Kato2, Yuh Baba3
1Department of Otolaryngology, Nasu Red Cross Hospital, 1081-4 Nakatahara, 324-8686 Ohtawara City, Tochigi, Japan.
Background:
Fibroma, neurofibroma, and papilloma are the most commonly encountered benign lesions in the nasopharynx. Hamartomas are non-neoplastic overgrowth of mature/differentiated tissue indigenous to the specific part of the body in which they develop. Most hamartomas are located in the liver, spleen, lungs, and pancreas. However, nasopharyngeal hamartoma is rare.
Case Presentation:
We describe here a 77-year-old Japanese woman who presented with a mass arising from the left lateral wall of the nasopharynx. Computed tomography (CT) revealed a soft tissue mass without bony erosion, suggesting that the mass was a benign tumor such as a fibroma. Pathological examination showed that the mass was a leiomyomatous hamartoma.
Conclusion:
To our knowledge, this is the first report of a leiomyomatous hamartoma in the nasopharynx. Although leiomyomatous hamartoma in the nasopharynx is extremely rare, it should be kept in mind during differential diagnosis.
