Ann Otol Rhinol Laryngol. 2021 Aug 28:34894211042772. doi: 10.1177/00034894211042772. Online ahead of print.
ABSTRACT
OBJECTIVE: To evaluate the pattern of presentation and management of laryngotracheobronchial amyloidosis at a tertiary care academic center over a 27 year period.
METHODS: In a retrospective review, the electronic medical record at a tertiary care academic center was queried for encounters with 3 laryngologists between 1996 and 2019 which included the I CD-9 or ICD-10 diagnosis of amyloidosis. Demographics, clinical presentation, referral diagnoses, medical history, family history, laboratory values, radiology studies, and treatment modalities of subjects were collated. Results were analyzed using standard univariate descriptive statistics.
RESULTS: Seventeen subjects were identified with an average age at diagnosis of 58 years (range 26-76 years). The most common amyloid type on biopsy was immunoglobulin light chain (AL) subtype. The most common location of laryngeal amyloid at diagnosis was the glottis and disease was more likely to be bilateral at the time of diagnosis in this location. Supraglottic disease more often had a unilateral presentation and had a tendency to spread to additional laryngeal subsites. Nearly 25% of subjects had associated systemic disease, including multiple myeloma, auto-immune disease, and familial ATTR mutation.
CONCLUSIONS: The overall rate of associated systemic disease was low in our st udy cohort; however, it is higher than typically referenced in extant literature. Our cohort demonstrates that while laryngeal amyloidosis is a chronic condition, the behavior is generally indolent with a low treatment burden.
PMID:34459282 | DOI:10.1177/00034894211042772
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