Scabies is an infestation of the skin by the mite Sarcoptes scabiei. A more severe form called crusted or Norwegian scabies may occur in immunosuppressed patients and the elderly. Crusted scabies mostly differs from normal scabies by the exuberance of its lesions, body distribution and high contagiousness, and requires different and more prolonged treatment. Early recognition of the lesions and isolation precautions are crucial for disease control and prevention of transmission. The authors describe a clinical case of crusted scabies with pruritus and exuberant cutaneous lesions. LEARNING POINTS• Crusted scabies is an infestation of the skin by the mite Sarcoptes scabiei that is highly contagious and results in an intensely pruritic eruption with exuberant cutaneous lesions. • Crusted scabies occurs in patients with AIDS, lymphoma or compromised cellular immunity, and sometimes in older patients. It is characterized by an elevated burden of mites and does not have a characteristic distribution pattern.• This disease requires strict isolation measures and treatment which differs from and is more prolonged than for scabies.
The solitary fibrous tumor (STF) is a rare spindle cell tumor that most often occurs in the pleura, mediastinum and other serosal sites, but it can be found anywhere. The authors present a case report of a 35-year-old male who was submitted to an eventless left external dacryocystorhinostomy (DCR) due to epiphora. During the surgery no tumors or anomalous tissues were visualized. Five months later the patient presented a painless mass at the lower medial quadrant of the left orbit, near the lacrimal fossa. A computed tomography, a magnetic resonance imaging and an orbital ultrasound were performed. A round, very vascularized and highly contrast enhanced mass was found. An anterior orbitotomy was done. Histological aspects and immunohistochemical markers were consistent with STF. The tumor was not visualized during the DCR. The authors think that the growth of the tumor and the weakening of the tissues in the medial canthus after the DCR allowed the tumor to move anteriorly within the orbit.
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