Table Of Contents
- Pretibial myxedema is a complication of Graves disease, whether it presents as hypo-or hyperthyroidism.
- It is a dermopathy that most often occurs in the lower legs and results from increased deposition of mucin due to the endocrine abnormality.
- Diabetes mellitus can cause necrobiosis lipoidica, a lesion on the lower extremities;
- hyperlipidemia can cause waxy papules; and collagen vascular and ischemic disease can cause urticaria and/or ulceration.
Indications for surgery in a patient with hyperparathyroidism
- Serum calcium >1mg/dL above normal range, skeletal indications (previous vertebral fx or osteoporosis, renal indications (eGFR <60, 24 hours urinary calcium level >400mg/day, nephrolithiasis or nephrocalcinosis on radiograph/US/CT), or age <50 y/o