Background: Mycobacterium marinum infection has a worldwide distribution and the organism occupies many aquatic environments. Infections in human consist of nodular cutaneous lesions that can progress to tenosynovitis, arthritis, and osteomyelitis. Case presentation: A 27-year-old man was presented with a history of swelling and exudative erythematous lesions and pustules of the right forearm. ...

Sir, Mycobacterium avium complex (MAC) is commonly present in the environment, but it is of low pathogenicity. It is widely believed that an underlying immune alteration is required for pathogenicity. Human infection caused by MAC organisms manifest as chronic pulmonary disease, but disseminated types are recognized in immunocompromised patients, especially AIDS su¡erers (1). Cutaneous infectio...

Sir, Nocardiosis is an uncommon but world-wide infection caused by several species of soil-borne aerobic bacteria belonging to the genus Nocardia (1). Nocardiosis can be divided into two broad categories: disseminated and cutaneous. Disseminated nocardiosis, which accounts for most occurrences of nocardiosis, is most commonly caused by N. asteroides, and typically affects immunocompromised host...

Over the last two decades, a rising proportion of mycobacterial infections have been caused by nontuberculous species such as Mycobacterium chelonae.1-3 Belonging to the M. fortuitum complex,4 M. chelonae is an acidfast bacillus (AFB) that grows rapidly compared with the more common M. tuberculosis. Disseminated cutaneous manifestations are the most common presentations and occur in patients wh...

Background and objective: Renal transplantation is an appropriate treatment for end stage renal disease and helps prolongation of patients survival with better quality, but immunosuppressive drugs that are used for inhibition of rejection after transplantation may cause some adverse effects in other organs such as the skin. Apparently, early recognition of those side effects and their app...

In the context of the European migrant crisis, more and more cases of cutaneous diphtheria are seen. A typical presentation includes painful cutaneous ulcerations with grayish-whitish pseudomembranes. Here we present 2 male Eritrean patients suffering from cutaneous nontoxigenic Corynebacterium diphtheriae (patient 1) and Corynebacterium striatum (patient 2) infection.