Update on parasitic dermatoses

Vesiculobullous scabies: an atypical manifestation in an adult

“…The main risk factors are crowding, poor hygiene, poor nutritional status, dementia, and immunosuppression. It typically manifests with pruritus, papules, and tunnels, localized between fingers, flexures, and periumbilical and genital areas, and occasionally it can be oligosymptomatic 1 . Nevertheless, scabies can present as other clinical variants: bullous, crusted, hidden, unknown, nodular, and scalp.…”

“…In the neonatal period, scabies commonly presents as pustular lesions in the extremities. In childhood, scabies lesions can be impetiginized, leading to pustules; however, this is uncommon in adults 1 …”

“…The treatment of vesiculobullous scabies is the same as in the classic form, which can be oral, with ivermectin, or topical, with pyrethroids (permethrin and deltamethrin). It is very important to examine and treat all contacts and provide hygiene guidance of personal belongings to avoid reinfections 1 . This patient and all his contacts were treated with oral ivermectin 200 mcg/kg weekly, for 4 weeks, with complete resolution of the condition.…”

Dermatoscopy in Vitiligo: Diagnosis of the Stages

“…This method is widely used to diagnose melanocytebased skin lesions, such as melanoma [7][8] . There are also some publications on dermatoscopic features of parasitic and viral dermatoses [9][10][11][12] , psoriasis [13][14] , lichen planus [15][16][17] , Kaposi sarcoma [18] , rosacea and seborrhea dermatitis [19][20] . The knowledge of particular dermatoscopic pattern features of these dermatoses may become a critical additional argument during differential diagnosis of these dermatoses in case of doubt.…”

Disseminated crusted scabies in an elderly patient

“…Crusted scabies are characterized by hyperkeratotic lesions with cutaneous fissures and intense itching, which worsens at night 2 , 3 . In addition to exuberant lesions, this case highlights the importance of early diagnosis and treatment of scabies.…”