Uncommon and severe clinical presentations such as erythrodermic psoriasis, rupioid
psoriasis, sebopsoriasis, and reactive arthritis-like psoriasis sydrome are characteristic in HIV-associated psoriasis (19).
It affects approximately 2-3% of the general population affecting both gender equally.1 The most common variant is the plaque psoriasis (psoriasis vulgaris) while others are guttate, rupioid
, pustular and erythrodermic psoriasis.
Our initial evaluation centered around lues maligna but this was excluded on the basis of the fact that lesions of lues maligna are usually multiple, well demarcated rupioid
nodules and papules.
Some larger lesions, such as those in the ala nasi, were covered with a yellowish verrucous crust that could assume a rupioid
Lesions in various stages of development, including papules, nodules, pustules, and ulcerations covered with laminated, brown-black rupioid
crusts are present, and mucosal surfaces may be affected (1).
Morphological variants of psoriasis include plaque type, guttate psoriasis, rupioid
, ostraceous, elephantine psoriasis, pustular psoriasis and erythrodermic psoriasis.
Other forms of syphilis can be severe, like lues maligna, a rare type of secondary syphilis with severe ulcerations or rupioid lesions, with severe constitutional symptoms.
The first flares consist of numerous resolute lesions, but as the disease progresses and the immune system reacts faster and more brutally, the lesions are on the decrease, and get a destructive aspect (ulcerative, rupioid).
We report a case of rupioid psoriasis developing on healed lesions of varicella in a young boy.
In literature there is only one reported case of psoriasis developing on healed lesions of herpes zoster.2 We report a case of rupioid psoriasis developing as isotopic response after chicken pox.
The lesions were clinically diagnosed as rupioid psoriasis.