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  • Title: A Sri Lankan infant with immunoglobulin resistant incomplete Kawasaki disease with a vesicular psoriasiform rash, hypertension and late onset small joint arthritis: a case report.
    Author: Hoole TJ, Athapathu AS, Abeygunawardene AD.
    Journal: BMC Pediatr; 2022 Jul 23; 22(1):444. PubMed ID: 35870915.
    Abstract:
    BACKGROUND: Kawasaki disease (KD) is a medium and small vessel vasculitis which usually has a good response to immunoglobulin therapy (IVIG). We present a case of incomplete KD with IVIG resistance associated with an unusual combination of vesicular guttate-psoriasiform rash, hypertension and late onset small joint arthritis. CASE PRESENTATION: A four-month-old male infant from Sri Lanka presented with high fever, conjunctival redness, pedal oedema and skin rash. He was found to have hypertension since admission with a high white cell count and high inflammatory markers. There was poor response to intravenous antibiotics and subsequent 2D echocardiogram revealed coronary artery aneurysms suggestive of KD. In the third week of illness he developed a vesiculo-papular rash involving face, trunk and limbs - which on biopsy revealed features of guttate psoriasis. Fever spikes continued and the coronary arteries showed progressive dilatation despite timely intravenous immunoglobulin administered on day 6 and methylprednisolone administered on day 10-13. Therapeutic response by means of reduction of fever was seen only after initiation of intravenous infliximab on day 28 of illness for which the fever responded within 24 hours. He developed a small joint arthritis of hands and feet on day 40 of illness which responded only after initiating methotrexate therapy. The hypertension persisted for 4 months after the onset of the illness before complete resolution. CONCLUSION: This case report depicts an unusual presentation of KD with a vesicular guttate-psoriasiform eruption, hypertension and late onset small joint arthritis. It highlights that clinicians should be aware of the fact that KD could present with such atypical manifestations and could develop unusual complications.
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