Exoscope-Assisted Stapedotomy: Evaluation of Safety and Efficacy.

OBJECTIVE: Evaluate the safety and efficacy of exoscope-assisted stapedotomy. STUDY DESIGN: Retrospective chart review. SETTING: Tertiary care neurotology clinic. PATIENTS: Adult patients with otosclerosis undergoing stapedotomy. INTERVENTIONS: Primary stapedotomy. MAIN OUTCOME MEASURES: Evaluation of audiologic outcomes, including pure-tone average, bone-conduction thresholds, word recognition score, and air-bone gap. Complications, need for scutum removal, and length of surgery were also evaluated. RESULTS: A total of 47 patients were identified, and 24 patients underwent surgery with the microscope and 22 with the exoscope. There were significant improvements in pure-tone average, mean bone-conduction thresholds, and air-bone gap for both groups. There was no difference in preoperative or postoperative audiologic status for either group. There was no difference in rates of dysgeusia, chorda tympani nerve damage, dizziness, or facial paresis in either group. CONCLUSIONS: This study indicates similar audiologic outcomes, complication profiles, and visualization when comparing exoscopic and microscopic stapedotomy. Demonstrated here, exoscopic stapedotomy can be safely performed in a transcanal manner.

Isolated Otologic Involvement of IgG4 Related Disease: A Case Report and Review of Literature.

Immunoglobulin G4 related disease (IgG4-RD) is a systemic autoimmune disease process that classically presents with multi-organ involvement; however isolated involvement of various structures within the body has also been described. Histopathologic examination is considered the gold standard for diagnosis. Glucocorticoids are well established as first-line treatment, but relapses are common, and consultation with rheumatology, immunology, and/or oncology teams is almost always warranted for proper medical management and disease maintenance. Given the relative infancy of IgG4-RD as an accepted diagnosis and the overall rarity of the disease, much still needs to be learned about this variable disease process. We present this case of isolated otologic and lateral skull base involvement of IgG4-RD to contribute to the understanding of this exceedingly rare clinical entity.