Matthew Brier, MD, MPH, and Cynthia B. Brown, MD, Author at Clinical Advisor

Matthew Brier, MD, MPH, and Cynthia B. Brown, MD

All articles by Matthew Brier, MD, MPH, and Cynthia B. Brown, MD

Lymphoid follicles with germinal centers are a sign of Hashimoto thyroiditis.

Hashimoto thyroiditis

Description • Autoimmune lymphocytic infiltration of the thyroid gland closely associated with the presence of antithyroid autoantibodies and often resulting in chronic hypothyroidism• Sometimes associated with a euthyroid state or transient hyperthyroidism• Most common form of chronic thyroiditis ICD-9 code • 245.2 chronic lymphocytic thyroiditis Who is most affected • Females • Peak age of onset: 30-50 years• Inherited as a dominant…

Cerumen impaction

Description• Occlusion of auditory canal(s) by accumulated earwax (cerumen inspissatum) ICD-9 code• 380.4 Impacted cerumen Incidence/prevalence• 10% of children• Up to 35% of adults (overall)• Perhaps one third of individuals with mental retardation and two thirds of elderly nursing home patients Likely risk factors• Specific physical features: deformed ear canals, dense hair growth, etc.• Use of cotton-tipped swabs • Wearing of hearing aids…

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