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Periorbital Myxedema

  • Jimmy Tam Huy and Christopher Thomas Doig
Published/Copyright: November 1, 2016

Keywords: hypothyroidism, myxedema, periorbital myxedema

A 71-year-old woman with a history of hypothyroidism presented to the emergency department with dyspnea. Physical examination revealed massive lower eyelid edema bilaterally (image) and dry, flaky skin on her lower extremities. Vital signs were normal. Further investigation revealed that the patient had been noncompliant with her prescribed levothyroxine for more than a year. The results of biochemical tests revealed a thyroid-stimulating hormone level of 220 mIU/L and a free thyroxine level of 0.15 µg/dL. The patient was admitted to the hospital, where a 0.1-mg intravenous dose of levothyroxine was administered daily for 3 days.

Myxedema, a clinical condition associated with hypothyroidism, refers to thickened, nonpitting edematous changes to soft tissues due to deposition of mucopolysaccharides in the dermis.1 Periorbital myxedema is present in 70% to 85% of patients with hypothyroidism, and 90% of patients with periorbital myxedema have hypothyroidism.2,3 Untreated, hypothyroidism can lead to myxedema coma—a rare, life-threatening condition. Management of myxedema varies depending on the severity of a patient’s hypothyroidism.3 (doi:10.7556/jaoa.2016.148)


From the Department of Internal Medicine at Garden City Hospital in Michigan.

*Address correspondence to Jimmy Tam Huy Pham, DO, MHS, MA, Department of Internal Medicine, Garden City Hospital, 6245 Inkster Rd, Garden City, MI 48135-4001. E-mail:


References

1. Parving HH , HansenJM, NielsenSL, RossingN, MunckO, LassenNA. Mechanisms of edema formation in myxedema–increased protein extravasation and relatively slow lymphatic drainage. N Engl J Med. 1979;301(9):460-465.10.1056/NEJM197908303010902Search in Google Scholar PubMed

2. Means JH . The Thyroid and Its Diseases. 2nd ed. Philadelphia, PA: J.B. Lippincott; 1948:232-234.Search in Google Scholar

3. Freedberg IM , VogelLN. The skin in hypothyroidism. In: BravermanLE, UtigerRD, eds. Werner and Ingbar’s The Thyroid. 6th ed. Philadelphia, PA: J.B. Lippincott; 1991:985-987.Search in Google Scholar

Received: 2016-07-13
Accepted: 2016-07-18
Published Online: 2016-11-01
Published in Print: 2016-11-01

© 2016 American Osteopathic Association

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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