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Minor test

Qualitative medical test for evaluation of sweating function

Summary

Qualitative medical test for evaluation of sweating function

FieldValue
nameMinor test
purposefor testing sudomotor function
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ICD10
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The Minor test (also known as Minor's test, the starch–iodine test, and the iodine–starch test), described by Victor Minor in 1928, is a qualitative medical test that is used to evaluate sudomotor function (perspiration or sweating).

Method

Tincture of iodine is applied to the skin and allowed to air-dry. After drying, the area is dusted with cornstarch or potato flour. Sweating is then encouraged by increased room temperature, exercise, use of a sauna, or pilocarpine.

When sweat reaches the surface of the skin, the starch and iodine combine, causing a drastic color change (yellow to dark blue), allowing sweat production to be easily seen.

Some have reported higher sensitivity and fewer drawbacks marking dry skin with water-erasable ink and observing fading.

Uses

The Minor test can be used as a diagnostic tool to evaluate underactive (hypohidrosis) and overactive (hyperhidrosis) sweating. This test can also reveal Horner's syndrome.

References

Notes

  • (excessive sweating)

References

  1. (1928). "Ein neues Verfahren zu der klinischen Untersuchung der Schweißabsonderung". Deutsche Zeitschrift für Nervenheilkunde.
  2. (June 2015). "Minor's Test: Objective Demonstration of Horner's Syndrome". Indian Journal of Otolaryngology and Head & Neck Surgery.
  3. (November 1, 2011). "Sweat Test with Water-erasable Ink, Letters to the Editor". Medical Journals/Acta D-V.
  4. (2012). "Approach to hypohidrosis". Journal of the European Academy of Dermatology and Venereology.
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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