Photocontact Dermatitis Caused by &lt;i&gt;Parthenium hysterophorus&lt;/i&gt;

Bhutani, L.K.; Rao, D.S.

doi:10.1159/000250834

Cited by 35 publications

(21 citation statements)

References 2 publications

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“…Airborne dermatitis in its acute form is characterized by dermatitis involving the face and flexural areas, such as sides of the neck, cubital and popliteal fossae. Chronic form of airborne dermatitis may simulate CAD or actinic reticuloid (10,11). The main differential diagnostic criterion is the negative phototest on the non-exposed normal skin in cases of airborne dermatitis.…”

Section: Resultsmentioning

confidence: 99%

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Evolution of Clinical Pattern of Parthenium Dermatitis: A Study of 74 Cases

Sharma¹

2005

Dermatitis

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Our aim was to study the evolution of clinical pattern of parthenium dermatitis. Patients with clinical picture consistent with parthenium dermatitis for 3 years or more along with positive patch test to parthenium were studied. Patients were questioned regarding the site(s) of dermatitis at the onset and change in localization in the following years. Patients were classified into airborne contact dermatitis, chronic actinic dermatitis (CAD) pattern or mixed pattern dermatitis. There were 74 patients (49 men and 25 women) with an age range of 22-70 years and the mean duration of 7.7 years. 60 (39 men and 21 women) patients had airborne contact dermatitis, 5 mixed pattern and 9 CAD pattern at the onset. Of the 60 patients with airborne contact dermatitis, 27 (19 men and 8 women) changed to CAD pattern and 11 (6 men and 5 women) to mixed pattern after an average period of 4.2 years. Of the 19 patients photopatch-tested with parthenium, 3 showed photoallergic reaction and the other 3 showed photoaggravation. Our results suggest that the clinical pattern of parthenium dermatitis undergoes a significant change after the onset, i.e. progresses from airborne contact dermatitis to mixed pattern or CAD pattern.

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Section: Resultsmentioning

confidence: 99%

“…Tiwari et al (3) described photosensitivity pattern in 28% of their 50 cases of allergic contact dermatitis due to P. hysterophorus. Bhutani and Rao (11) in 1978 reported a case of photocontact dermatitis due to P. hysterophorus. Subsequently, Shenoy and Srinivas (12) reported changing pattern of parthenium dermatitis in 9 of 30 patients.…”

Section: Resultsmentioning

confidence: 99%

Evolution of Clinical Pattern of Parthenium Dermatitis: A Study of 74 Cases

Sharma¹

2005

Dermatitis

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“…[17,18] Photocontact dermatitis secondary to P. hysterophorus too has been reported. [19] This is probably due to its profuse and widespread growth and its high sensitizing property. However, its photosensitizing potential remains debatable.…”

Section: Clinical Featuresmentioning

confidence: 99%

Photodermatoses in India

Srinivas¹,

Sekar²,

Jayashree³

2012

Indian J Dermatol Venereol Leprol

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Photodermatoses are a group of disorders resulting from abnormal cutaneous reactions to solar radiation. They include idiopathic photosensitive disorders, drug or chemical induced photosensitivity reactions, DNA repair-deficiency photodermatoses and photoaggravated dermatoses. The pathophysiology differs in these disorders but photoprotection is the most integral part of their management. Photoprotection includes wearing photoprotective clothing, applying broad spectrum sunscreens and avoiding photosensitizing drugs and chemicals.

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“…Perhaps the only wellauthenticated cases are a reaction to Parthenium hysterophorus L. (family Asteraceae) [65] and a photoallergy to psoralens [66]. However, experimentally induced photoallergies to psoralens and to other coumarins known to occur naturally have been described [67].…”

Section: Phytophotoallergic Contact Dermatitismentioning

confidence: 99%