Tinea imbricata is a chronic superficial mycosis caused by the fungus Trichophyton concentricum. A recent case report by Dr A Leung and colleagues describes a case of tinea imbricata in an 8 year old Malaysian boy.
Indwelling catheters and immune disorders are risk factors for systemic Malassezia infection
Malassezia typically causes skin infections but can occasionally cause systemic disease, particularly in patients with indwelling devices such as central venous catheters. Dr Pedrosa and colleagues have published a literature review and three unrelated cases of systemic Malassezia at a hospital in Portugal.