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KMID : 0882420180930010068
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Korean Journal of Medicine
2018 Volume.93 No. 1 p.68 ~ p.73
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Successful Remission of Recurrent Anaphylaxis after Omalizumab Administration in a Patient with Systemic Mastocytosis
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Moon Hong-Ran
Jang Hee-Joon
Lee Choon-Geun
Kim Young-Chan
Yoo Shin-Hye
Lee Dong-Soon
Kang Hye-Ryun
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Abstract
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Mastocytosis is a disorder characterized by abnormal mast cell proliferation and accumulation in one or more tissues. It presents in two major variants: cutaneous mastocytosis and systemic mastocytosis. Because the symptoms are related to mast cells, histamine receptor antagonists and leukotriene receptor antagonists are recommended as therapeutic options. Here, we report a 54-year-old male patient with a history of urticaria pigmentosa who presented with recurrent anaphylaxis. His serum tryptase level was 31.7 ng/mL and mast cell infiltration was observed in his bone marrow. He had frequent attacks of anaphylaxis despite treatment with ketotifen, levocetirizine, and montelukast. Symptoms related to systemic mastocytosis were controlled and the patient exhibited no recurrence of anaphylaxis following the introduction of monthly omalizumab injection. Omalizumab can be considered as a treatment option in patients with systemic mastocytosis unresponsive to conventional oral medications.
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KEYWORD
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Mastocytosis, Systemic, Anaphylaxis, Omalizumab
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