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Chapter-05 Spongiotic Dermatoses

BOOK TITLE: IADVL Color Atlas of Dermatopathology

Author
1. Nischal KC
2. Dongre Atul M
3. Mahajan Pradeep
ISBN
9789385891236
DOI
10.5005/jp/books/12981_6
Edition
1/e
Publishing Year
2017
Pages
16
Author Affiliations
1. Adichunchanagiri Institute of Medical Sciences, Bellur, Karnataka, India, Adichunchanagiri Institute of Medical Sciences, Bengaluru, Karnataka, India, Nirmal Skin and Hair Clinic; Kaya Skin Clinic, Bengaluru, Karnataka, India, Nirmal Skin and Hair Clinic, Bengaluru, Karnataka, India
2. Seth GS Medical College and KEM Hospital, Parel, Mumbai, Maharashtra, India, King Edward Memorial (KEM) Hospital and Seth Gordhandas Sunderdas Medical College (GSMC) Mumbai, Maharashtra, India
3. Dr Mahajan’s Dermatology and Dermatopathology Services, Pune, Maharashtra, India
Chapter keywords
Spongiotic dermatoses, eosinophils, neutrophils, spongiotic disorder, nummular dermatitis, dyshidrosiform dermatitis, seborrheic dermatitis, atopic dermatitis, stasis dermatitis

Abstract

This chapter focuses on spongiotic dermatoses and covers images of spongiosis with eosinophils, spongiosis with neutrophils, and spongiotic disorders such as nummular dermatitis, dyshidrosiform dermatitis, seborrheic dermatitis, atopic dermatitis, stasis dermatitis and pityriasis rosea. Miliaria shows spongiosis, intraepidermal edema centered on the acrosyringium and lymphocytic infiltrate. In infundibulofolliculitis, there is focal parakeratosis, follicular spongiosis with exocytosis of lymphocyte and mild inflammatory infiltrate in dermis. Pityriasis rosea: Other features include small spongiotic vesicles and lymphocytic exocytosis similar to Pautrier microabscesses, dyskeratotic cells in epidermis. Irritant contact dermatitis shows ballooning degeneration of keratinocytes, necrosis and presence of neutrophils. Pityriasis alba shows mild epidermal spongiosis and focal parakeratosis.

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