introduction Histoplasmosis is the most common endemic fungal infection in Latin America and North America, and an important cause of endemic mycoses worldwide. The fungus is often present in soil contaminated by feces of birds and bats.1 Cutaneous manifestations of histoplasmosis can be divided into primary and secondary lesions.2 Once the fungus undergoes early hematogenous spread, exclusive ...

A 41-year-old woman had two months of intermittent migratory swellings in the trunk, face, and limbs associated with erythema, pruritus, and pain. Laboratory analysis showed moderate eosinophilia. The triad of eosinophilia, migratory lesions (nodular panniculitis), and raw fish consumption was highly suggestive of cutaneous gnathostomiasis. She was successfully treated with albendazole (400 mg ...

Photoaging refers to the effects of long-term ultraviolet (UV) exposure and sun damage superimposed on intrinsically aged skin. The clinical signs associated with photoaging include dyspigmentation, laxity, a yellow hue, wrinkles, telangiectasia, a leathery appearance, and cutaneous malignancy. These changes often occur gradually as a person ages but can develop earlier if extensive UV exposure...

The diagnosis of cutaneous Mycobacterium marinum infection is often delayed for months after presentation, perhaps because important clinical clues in the patient's history are frequently overlooked. Knowledge of the incubation period allows the clinician to target questions about the patient's history. Prompted by a case with a prolonged incubation period, we sought to determine more precisely...

Cellular schwannoma (CS) is a variety of schwannoma with a predominantly cellular growth, normally developing in middle-aged patients. In this report, we describe a 15-month-old infant with primary cutaneous CS on the knee. Because of its histologically malignant features, CS is sometimes overdiagnosed as a malignant nerve tumor. Therefore, awareness of this variant of schwannoma is important f...

Post-transplantation cutaneous lymphoproliferative diseases (PTCLD) are rare, with 29 cases have so far been reported in the literature-only 4 cases underwent cardiac transplantation. Herein, we report on, to the best of our knowledge, the first case in the English literature of primary cutaneous CD4-positive small/medium-sized pleomorphic T-cell lymphoma in a cardiac transplant recipient.

BACKGROUND Autoimmune polyendocrine syndrome type 1, also known as autoimmune polyendocrinopathy-candidiasis-ectodermal-dystrophy, is a rare autosomal recessive disease due to pathogenic variants in the AIRE gene. Classic features of the syndrome are mucocutaneous candidiasis, chronic idiopathic hypoparathyroidism and Addison disease. However, other endocrine and non-endocrine components, may o...

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A case of cutaneous cryptococcosis due to Cryptococcus neoformans var. gattii in an immunocompetent host is presented. In addition a review of the literature on this subject was carried out and a brief comment made on occurrence of the variety gattii in Brazil.

We describe a comparison of the scrub-wash method of Williamson and Kligman and a swab-wash method for the enumeration of cutaneous microflora. The swab-wash method provides a less traumatic alternative to the scrub-wash method and can be used to sample the cutaneous microflora of premature neonates.