myco

• Type of fungi responsible for chromoblastomycosis

  Dematiaceous fungi
• group of dark, slow-growing fungi that are found on vegetation and in the soil.

  Dematiaceous fungi
• Copper colored septate cells present in chromoblastomycosis

  Sclerotic bodies
• Olive gray to black cottony or wooly colonies

  "VASE/FLASKED-SHAPED phialides with conidial clusters resembling FLOWERS"


  Phialospora verrucosa
• Enumerate subcutaneous mycoses

  Sporotrichosis

  Chromoblastomycosis

  Phaeohypomycosis

  Mycetoma
• a chronic granulomatous infection of the cutaneous and subcutaneous tissue and bone. There are tumor-like deformities of the subcutaneous tissue with abscesses, draining sinuses, and granulomatous pus.

  Mycetoma
• Infections caused by darkly pigmented septate hyphae

  Phaeohypomycosis
• Agent of North American blastomycosis and Gilchrist’s disease.

  Blastomyces dermatitidis
• Round pyriform conidia resembling lollipops

  Blastomyces dermatitidis
• Causative gent of desert fever or San Joaquin valley fever or Desert rheumatism

  
  

  Coccidioides immitis
• Most infectious of all fungi and requires BSL 3 containment


  C.immitis
• thick-walled, barrel-shaped, rectangular arthroconidia that alternate with empty disjunctor cells

  C.immitis
• Agent of Darling’s Disease

  Histoplasma capsulatum
• large, round, thick-walled knobby tuberculate macroconidia forms

  Small, budding, round to oval yeast cells; intracellular to mononuclear cells with Giemsa or Wright’s stain

  H.capsulatum
• causes a chronic granuloma- tous disease of the lungs, lymphatics, skin, and mucous membranes


  Paracoccidioides brasiliensis
• intercalary and terminal chlamydoconidia;

  few pyriform microconidia

  yeast cells resembles “ship’s wheel” 


  Paracoccidioides brasiliensis