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A Clinical Atlas of 101 Common Skin Diseases

Arthropod Assaults

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Papules, nodules, vesicles, and sometimes bullae that develop in response to “bites” of arthropods, among the most common offenders being mosquitoes, bedbugs, and mites of scabies.

A Clinical Atlas of 101 Common Skin Diseases

Arthropod Assaults

Papules, nodules, vesicles, and sometimes bullae that develop in response to “bites” of arthropods, among the most common offenders being mosquitoes, bedbugs, and mites of scabies….

Therapeutic Strategies in Dermatology

Papular Urticaria: Overview

Hypersensitivity Reactions to Arthropod Bites The bites of many arthropods can trigger hypersensitivity reactions in humans. Exposure to penetrating body parts (setae) of certain moths and caterpillars may cause similar reactions. This chapter discu…

Histologic Diagnosis of Inflammatory Skin Diseases

Arthropod assaults

Arthropod assaults Synonyms Insect “bite” Bug bite Insect bite reaction Papular urticaria Lichen urticatus Strophulus Presentation stereotypical Age and sex Any age and both sexes Distribution of lesions At times only a single lesion a…

Histologic Diagnosis of Inflammatory Skin Diseases

Arthropod assaults

Papules, nodules, vesicles, and sometimes bullae that develop in response to “bites” of arthropods, among the most common offenders being mosquitoes, bedbugs, and mites of scabies….

Therapeutic Strategies in Dermatology

Pediculosis (Lice): Initial Evaluation

Initial Evaluation The lice, eggs, or nits (empty egg casings) are not always obviously visualized. Important clues include excoriated erythematous papules (shown in this image) or maculae ceruleans (slate-blue macules) on areas of skin that come in…

Therapeutic Strategies in Dermatology

Stings: Initial Evaluation

Initial Evaluation Differential diagnosis Spider bite Bullous arthropod assault Fleabites…

Therapeutic Strategies in Dermatology

Spider Bites: Initial Evaluation

Initial Evaluation Differential diagnosis Bee sting reaction Bullous arthropod assault Fleabites…

Therapeutic Strategies in Dermatology

Spider Bites: Key Points

Key Points Spiders are 8-legged (arthropod) members of the order Araneae. Spider bites result from a self-defense reaction when a spider feels threatened and typically arise due to inadvertent meeting with a spider (i.e., accidental). There are sev…

Differential Diagnosis in Dermatopathology

Urticarial reaction to an arthropod assault vs. Urtica

Papules, nodules, vesicles, and sometimes bullae that develop in response to “bites” of arthropods, among the most common offenders being mosquitoes, bedbugs, and mites of scabies….

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