Asymptomatic hyperpigmentation without preceding inflammation as a clinical feature of citrus fruits-induced phytophotodermatitis

Ji Young Choi, Shinwon Hwang, Si Hyung Lee, SangHo Oh

Research output: Contribution to journalArticle

Abstract

Phytophotodermatitis is a condition that occurs by contact with plants containing phototoxic agents such as furocoumarins and psoralens with subsequent ultraviolet exposure. Phytophotodermatitis typically presents as sharply defined erythematous patches with occasional blistering, sometimes accompanied with pain or itching sensation. In some cases, however, sudden appearance of asymptomatic hyperpigmentation can be the only clinical finding of phytophotodermatitis. Here, we present two patients with sudden development of asymptomatic pigmentation on their hand without preceding inflammation by the contact with citrus fruits containing photosensitizers and subsequent exposure to strong sunlight. As like these patients, phytophotodermatitis can present with only pigmentation without noticeable inflammation especially in dark skinned people. In such cases, physician can sometimes have difficulty in diagnosis of phytophotodermatitis. Therefore, it is important to consider the possibility of phytophotodermatitis through careful history taking, especially in patients who have abruptly developed well-defined hyperpigmentation on sun-exposed areas, to avoid unnecessary test and treatment.

Original languageEnglish
Pages (from-to)75-78
Number of pages4
JournalAnnals of Dermatology
Volume30
Issue number1
DOIs
Publication statusPublished - 2018 Feb 1

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Hyperpigmentation
Citrus
Pigmentation
Inflammation
Photosensitizing Agents
Sunlight
Solar System
Pruritus
Hand
Physicians
Pain
Furocoumarins
Therapeutics

All Science Journal Classification (ASJC) codes

  • Dermatology

Cite this

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abstract = "Phytophotodermatitis is a condition that occurs by contact with plants containing phototoxic agents such as furocoumarins and psoralens with subsequent ultraviolet exposure. Phytophotodermatitis typically presents as sharply defined erythematous patches with occasional blistering, sometimes accompanied with pain or itching sensation. In some cases, however, sudden appearance of asymptomatic hyperpigmentation can be the only clinical finding of phytophotodermatitis. Here, we present two patients with sudden development of asymptomatic pigmentation on their hand without preceding inflammation by the contact with citrus fruits containing photosensitizers and subsequent exposure to strong sunlight. As like these patients, phytophotodermatitis can present with only pigmentation without noticeable inflammation especially in dark skinned people. In such cases, physician can sometimes have difficulty in diagnosis of phytophotodermatitis. Therefore, it is important to consider the possibility of phytophotodermatitis through careful history taking, especially in patients who have abruptly developed well-defined hyperpigmentation on sun-exposed areas, to avoid unnecessary test and treatment.",
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Asymptomatic hyperpigmentation without preceding inflammation as a clinical feature of citrus fruits-induced phytophotodermatitis. / Choi, Ji Young; Hwang, Shinwon; Lee, Si Hyung; Oh, SangHo.

In: Annals of Dermatology, Vol. 30, No. 1, 01.02.2018, p. 75-78.

Research output: Contribution to journalArticle

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