Microbiology · Rickettsia, Chlamydia, Mycoplasma, Spirochetes

A 17-year-old with a history of congenital syphilis presents with interstitial keratitis, sensorineural deafness, and notched permanent central incisors. This classic triad is known as:

  • A Beck triad
  • B Plummer-Vinson triad
  • C Wegener triad
  • D Hutchinson triad
Correct answer: D. Hutchinson triad

Explanation

Late congenital syphilis produces the Hutchinson triad of interstitial keratitis, eighth nerve deafness, and Hutchinson teeth, which are peg-shaped or notched central incisors. Other stigmata include mulberry molars, saddle nose, saber shins, and Clutton joints. Plummer-Vinson describes dysphagia with iron deficiency anaemia and oesophageal webs, and Beck triad refers to cardiac tamponade, making them category mismatches.

Reference: Nelson Textbook of Pediatrics, 21st ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

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