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Localized nasopharyngeal amyloidosis
Yen-Sheng Chen1, Wing-Yin Li, Ching-Yin Ho
1Department of Otolaryngology, Taipei Veterans General Hospital, 201 Section 2 Shih-Pai Road, Taipei, Taiwan, R.O.C.
Journal of the Chinese Medical Association : JCMA
|November 6, 2010
Summary
Nasopharyngeal amyloidosis is a rare condition presenting as a mass, distinct from common malignancies. This case highlights its benign, long-term course in an elderly patient.
Area of Science:
- Otorhinolaryngology
- Pathology
- Radiology
Background:
- Nasopharyngeal masses in adults often indicate malignancy, especially Epstein-Barr virus-associated undifferentiated carcinoma in endemic regions.
- Amyloidosis, a rare infiltrative disease, can affect various organs, including the upper aerodigestive tract.
Observation:
- An 86-year-old male presented with chronic postnasal drip, leading to the discovery of a nasopharyngeal mass via endoscopy.
- Biopsy confirmed amyloidosis, and MRI revealed a localized, enhanced soft-tissue mass without signs of systemic involvement.
Findings:
- The nasopharyngeal mass was pathologically diagnosed as amyloidosis.
- The condition remained clinically silent and stable over a 3-year follow-up period.
Implications:
- This case underscores the importance of considering rare diagnoses like amyloidosis in nasopharyngeal masses, even in older adults.
- It suggests that localized nasopharyngeal amyloidosis may follow an indolent clinical course, necessitating careful monitoring rather than aggressive intervention.
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