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Thyrotoxic periodic paralysis in a black man
D A Hochberg1, M Vassolo, D Paniagua
1Department of Internal Medicine, Mount Sinai Medical Center, Miami, FL, USA.
Southern Medical Journal
|July 1, 1996
Summary
Thyrotoxic hypokalemic periodic paralysis, a rare disorder, presented as the initial symptom in a Black man. This case highlights the condition
Area of Science:
- Endocrinology
- Neurology
- Genetics
Background:
- Thyrotoxic hypokalemic periodic paralysis (THPP) is a rare disorder characterized by episodes of muscle weakness due to low potassium levels, often triggered by hyperthyroidism.
- While commonly observed in Asian populations, THPP is exceptionally rare in individuals of Black descent.
Observation:
- A previously healthy 41-year-old Black man presented with a 3-year history of recurrent proximal paresis in his extremities, frequently occurring after strenuous exercise.
- The patient had no prior history of hyperthyroidism or a family history of periodic paralysis.
Findings:
- This case represents a rare instance where periodic paralysis was the primary presenting symptom of underlying hyperthyroidism.
- The occurrence in a Black male is particularly noteworthy, given the condition's rarity in this demographic.
Implications:
- This case underscores the importance of considering THPP in the differential diagnosis of unexplained periodic paralysis, even in non-Asian individuals.
- Early recognition and management of hyperthyroidism are crucial for preventing recurrent paralytic episodes and potential long-term complications.
- Further research into the genetic and environmental factors contributing to THPP in diverse populations may be warranted.