Therapeutic Strategies in Dermatology

Creeping Eruption, Larva Migrans, and Larva Currens: Overview

Treatment Cutaneous Larva Migrans (CLM) [The treatment for larva currens is somewhat different so the two diseases are discussed separately.] Cutaneous larva migrans is due to animal (usually canine) hookworm. It presents as serpiginous papules on t…

Therapeutic Strategies in Dermatology

Myiasis: Overview

Overview Myiasis is caused by the larvae of certain botfly species whose larvae penetrate and develop in the skin. The larvae may enter the skin from the bites of other insects that carry the botfly eggs (New World), or by direct skin contact with t…

Histologic Diagnosis of Inflammatory Skin Diseases

Arthropod assaults

…matol 2000;136:1559-64. Velho PE, Faria AV, Cintra ML, et al. Larva migrans: A case report and review. Rev Inst Med Trop Sao Paulo 2003;45:167-71. Bibliography for larva currens Ly MN, Bethel SL, Usmani AS, Lambert DR. Cutaneous Strongyloides stercor…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…al dermatitis, psoriasiform + 10.5.16B: Adult, nymph, and larval forms of Sarcoptes scabiei in number in the parakeratotic cornified layer = Norwegian (keratotic-crusted) scabies In Norwegian scabies, ova and mites at all stages of development ar…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…pidermis. The activity of the mite and progeny of it, namely, larvae and nymphs, conducted within a burrow of scabies, namely, ingestion and defecation, gives rise to intense pruritus. The larva or “creeper” of Ancylostoma braziliense, th…

Histologic Diagnosis of Inflammatory Skin Diseases

Algorithms Predicated on “Nonspecific” Findings

…in a burrow within the cornified layer = Scabies + A single larva above the epidermal basal layer = Creeping eruption + Cercaria in the middle of the epidermal spinous layer = Swimmer”s itch + Wedge-shaped perivascular and interstitial in…

Histologic Diagnosis of Inflammatory Skin Diseases

Parasitic infestations

…tained by hematoxylin and eosin. Creeping eruption (cutaneous larva migrans) is caused by hookworm larvae (Ancylostoma species) that induce serpentine, often vesicular tracks as they move through the lower part of the epidermis. A superficial and dee…

Dermatology Practical & Conceptual

Diagnosis of ophthalmomyiasis externa by dermatoscopy

Abstract Ophthalmomyiasis in humans caused by the larvae of the sheep nasal botfly (Oestrus ovis) and is a rare phenomenon in Israel. We describe the utilization of the dermatoscope as a diagnostic tool for the facilitation of early diagnosis of con…