Mastocytosis Quiz
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Reviewed By:
Caroline M. Doan, DO (Internal medicine)
Dr. Doan received a Bachelor of Science degree with honors from UCLA. Prior to obtaining her medical degree, she was involved in oncology clinical research at City of Hope, a National Cancer Institute-designated comprehensive cancer center in southern California. She attended medical school at Touro University California, and completed her residency in Internal Medicine at Oregon Health & Science University. She is certified by the American Board of Internal Medicine and holds an active medical license in several states. She currently works as a physician for Signify Health providing home-based health care.
Yuta Sasaoka, MD (Pediatrics)
Dr. Sasaoka graduated from the Sapporo Medical University School of Medicine. After working in the Department of Pediatrics at Hakodate Municipal Hospital, the Emergency Center at Hakodate Municipal Hospital, and the Department of Emergency Medicine at Tokyo Metropolitan Children's General Medical Center, he joined the Sapporo Medical University Advanced Emergency Medical Center in April 2020. Dr. Sasaoka is well versed in pediatric emergency medicine, covering a wide range of pediatrics and emergency medicine. He is also a certified AHA-PALS instructor and focuses on pediatric secondary life support education at the Hokkaido Training Site.
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Learn more about Mastocytosis
Content updated on Sep 20, 2022
What is mastocytosis?
Mastocytosis occurs when there are excessive numbers of mast cells (part of the immune system) in the body. This can affect the skin or other parts of the body. It's generally due to a non-inherited genetic mutation, and affects both sexes equally. Triggers of mastocytosis attacks include friction on the skin, physical activity, insect bites, stress, alcohol, certain food and medications.
Symptoms of mastocytosis
Black/blue/brown spots or moles, on the skin and lining of the mouth
Welts appear when skin is scratched or rubbed
Redness in sun-exposed areas of skin
Questions your doctor may ask to check for mastocytosis
Your doctor may ask these questions to diagnose mastocytosis
Are there black, blue, or brown spots on the skin or elsewhere? (Including moles)
Is your skin red in places where it is exposed to friction or irritation?
Do you have redness on the sun-exposed areas of your skin?
Treatment for mastocytosis
People with mastocytosis should reduce exposure to triggers. Treatment includes medications to reduce symptoms or ultraviolet light therapy. Since there's an increased risk of a severe allergic reaction (anaphylactic shock), they should carry an EpiPen (injectable epinephrine).
View the symptoms of Mastocytosis
Diseases related to Mastocytosis
References
Hussain SH. Pediatric mastocytosis. Curr Opin Pediatr. 2020 Aug;32(4):531-538. doi: 10.1097/MOP.0000000000000922. PMID: 32692050.
https://journals.lww.com/co-pediatrics/Abstract/2020/08000/Pediatric_mastocytosis.14.aspx
Bergström A, Rollman O, Emtestam L, Mattson M, Hägglund H, Nilsson G, Karlsson M. Mastocytos i huden – uppdatering av kunskapsläget och riktlinjer för handläggning [Cutaneous mastocytosis - update and clinical guidelines]. Lakartidningen. 2018 Oct 22;115:FASY. Swedish. PMID: 30351439.
https://lakartidningen.se/klinik-och-vetenskap-1/artiklar-1/klinisk-oversikt/2018/10/mastocytos-i-huden-uppdatering-av-kunskapslaget-och-riktlinjer-for-handlaggning/
Carter MC, Metcalfe DD, Komarow HD. Mastocytosis. Immunol Allergy Clin North Am. 2014 Feb;34(1):181-96. doi: 10.1016/j.iac.2013.09.001. Epub 2013 Oct 7. PMID: 24262698; PMCID: PMC3863935.
https://www.sciencedirect.com/science/article/abs/pii/S0889856113000647?via%3Dihub
Krishnaprasadh D, Levasseur K. Mastocytosis. Pediatr Rev. 2021 Aug;42(8):468-470. doi: 10.1542/PIR.2020-0108. PMID: 34341090.
https://publications.aap.org/pediatricsinreview/article-abstract/42/8/468/180031/Mastocytosis?redirectedFrom=fulltext
Reviewed By:
Caroline M. Doan, DO (Internal medicine)
Dr. Doan received a Bachelor of Science degree with honors from UCLA. Prior to obtaining her medical degree, she was involved in oncology clinical research at City of Hope, a National Cancer Institute-designated comprehensive cancer center in southern California. She attended medical school at Touro University California, and completed her residency in Internal Medicine at Oregon Health & Science University. She is certified by the American Board of Internal Medicine and holds an active medical license in several states. She currently works as a physician for Signify Health providing home-based health care.
Yuta Sasaoka, MD (Pediatrics)
Dr. Sasaoka graduated from the Sapporo Medical University School of Medicine. After working in the Department of Pediatrics at Hakodate Municipal Hospital, the Emergency Center at Hakodate Municipal Hospital, and the Department of Emergency Medicine at Tokyo Metropolitan Children's General Medical Center, he joined the Sapporo Medical University Advanced Emergency Medical Center in April 2020. Dr. Sasaoka is well versed in pediatric emergency medicine, covering a wide range of pediatrics and emergency medicine. He is also a certified AHA-PALS instructor and focuses on pediatric secondary life support education at the Hokkaido Training Site.
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Seiji Kanazawa, MD, PHD
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National Center for Child Health and Development, Japan