Reiter syndrome Consists of arthritis, urethritis, and conjunctivitis. There are frequently oral lesions, which resemble benign migratory glossitis in appearance but affect other parts of the mouth. The condition is probably an unwanted effect of an immune response to a low-grade pathogen; however, some still believe it to be a sexually transmitted disease, although there is no hard evidence for this.
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| Reiter syndrome |
Romberg syndrome (hemifacial atrophy) consists of progressive atrophy of the soft tissues of half the face, associated with contralateral Jacksonian epilepsy and trigeminal neuralgia. Rarely, half the body may be affected. It starts in the first decade and lasts ~3 yrs before it becomes quiescent.
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| Romberg syndrome (hemifacial atrophy) |
Papillon-Lefevre syndrome is palmoplantar hyperkeratosis and juvenile periodontitis, which affects both primary and secondary dentition. Normal dental development occurs until the appearance of the hyperkeratosis of the palms and soles, then simultaneously an aggressive gingivitis and periodontitis begin. The mechanism is not well understood.
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| Papillon-Lefevre syndrome |
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