Throckmorton sign (pelvis)

Radswiki et al.

Throckmorton sign, also known as John Thomas sign, refers to when the penis points in the direction of unilateral disease, typically of the pelvis or hip. 

Throckmorton sign is a slang term used jokingly by medical students and residents.

History and etymology

It is named after Tom Bentley Throckmorton (1885-1961), American neurologist and governor of Iowa 2

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Article Information

rID: 12270
Section: Signs
Tag: refs
Synonyms or Alternate Spellings:
  • Throckmorton's sign
  • John Thomas sign

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    Case 1: perfect example
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    Case 3: pointing to AIIS avulsion
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    Case 4: chronic osteomyelitis of left hip joint
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    Case 5: left NOF fracture
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    Case 6
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