Streptomyces somaliensis(Actinomycotic mycetoma)

Morphology

Gram positive filament Nonfragmente Aerial myceliu soil inhabitants

Pathogenesis /clinical syndrome

• Most not pathogens

• Introduced to tissues by trauma

• Thorns, splinter, an abrasion

• Spread to subcutaneous lesions

• Spread to bone

• Radiographs shows

• Granulomas, pus and cavities

Continuous

• Formation of draining sinuses

• Contains granules• Large and yellow to

brown

Laboratory diagnosis

• Clinical grounds

• Pus (color and size of granules)

• Antibodies in serum using CIEP

• Isolation and identification

• Treatment (for about 10 months)

• Streptomycin, co-trimoxazole, dapsone