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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: Key Points

…ependent of the inciting organism. They are commonly caused by arthropod bites. Other common causes include bites by mosquitos, followed by bites by fleas, chiggers, bedbugs, or blackflies (“no-see-ems”). When caused by arthropods, pets or other anim…

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

Papular Urticaria: Treatment

Treatment First-line therapy: The first-line therapy for papular urticaria is to identify and eliminate the arthropod source and to then suppress the resultant inflammatory reaction. First-line management of the inflammatory reaction involves three…

Therapeutic Strategies in Dermatology

Stings: Initial Evaluation

Initial Evaluation Differential diagnosis Spider bite Bullous arthropod assault Fleabites…

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

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…

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