Home   Chapter Home   Jobs   Conferences   Fellowships   Books



Advertisement

Skin-nontumor / Clinical Dermatology

Infestations

Scabies (mite)


Reviewer: Mowafak Hamodat, MB.CH.B, MSc., FRCPC, Eastern Health, St. Johns, Canada (see Reviewers page)
Revised: 23 April 2014, last major update July 2011
Copyright: (c) 2002-2011, PathologyOutlines.com, Inc.

Definition
=========================================================================

● Mite that produces burrows and extremely pruritic erythematous papules on interdigital skin, palms, wrists

Treatment
=========================================================================

● Topical permethrin (Can Fam Physician 2010;56:1005)

Diagrams
=========================================================================



Life cycle

Micro description
=========================================================================

● Burrow appears as cleft in upper epidermis containing mite body parts
● Epidermis exhibitis acanthosis, parakeratosis, spongiosis, with dense eosinophilic dermal infiltrate
● In the dermis, there is superficial perivascular and sometimes diffuse infiltrate of lymphocytes and histiocytes, sometimes accompaned by neutrophils and less often eosinophils
● In nodular skin lesions, the dermal infiltrate may be very dense and in addition to histiocytes, plasma cells, eosinophils, and lymphocytes, atypical and hyperchromatic cells may be evident

Micro images
=========================================================================



Mite


Contributed by: Dr. Daniel Ostler, Baylor College of Medicine, Texas (USA)

End of Skin-nontumor / Clinical Dermatology > Infestations > Scabies (mite)


This information is intended for physicians and related personnel, who understand that medical information is often imperfect, and must be interpreted in the context of a patient's clinical data using reasonable medical judgment. This website should not be used as a substitute for the advice of a licensed physician.

All information on this website is protected by copyright of PathologyOutlines.com, Inc. Information from third parties may also be protected by copyright. Please contact us at copyrightPathOut@gmail.com with any questions (click here for other contact information).