Subcutaneous Mycoses

Question 1

Mycoses that involve skin & subcutaneous tissue

Answer 1

Subcutaneous mycoses

Question 2

Portal of entry

Answer 2

Skin puncture/abrasions of thorns of the skin through traumatic inoculation

Question 3

Only fungus disease that can be diagnosed by the clinical picture alone

Answer 3

Sporotricosis or Rose Gardener’s disease

Question 4

Etiologic agent of sporotricosis or rose gardener’s disease

Answer 4

Sporothrix schenkii

Question 5

Affected areas of subcutaneous mycoses

Answer 5

Arms, hands, legs, feet

Question 6

Microscopic morphologic feature of Sporotricosis

Answer 6

Yeast phase is oval or spherical cigar bodies and Hyphal phase is rosette or daisy / bouquet conidia

Question 7

Morphologic feature of sporotricosis on methenamine sliver stain

Answer 7

Asteroid bodies

Question 8

Old mold cultures in sporotricosis

Answer 8

Sleeve formation

Question 9

Development of papule to warty tumor like a cauliflower

Answer 9

Chromomycosis or blastomycosis / verrucosa dermatitidis

Question 10

Types of etiologic agent of chromomycosis

Answer 10

Cladosporium, phialophora and acrostheca

Question 11

Slender conidiophore of various lengths

Answer 11

Cladosporium carionii

Question 12

Flask/vase or tube shaped conidiophore with distinct collarette

Answer 12

Phialophora verrucosa

Question 13

Swollen club shaped conidiophore

Answer 13

Fonsecaea pedrosoi

Question 14

Short conidiophore with tightly packed conidia

Answer 14

Fonsecaea compactum

Question 15

Hallmark of chromomycosis

Answer 15

Fission or sclerotic bodies / copper pennies

Question 16

Chronic granulomatous infection which produces tumor-like lesions and sinus tract formation with presence of granules, usually of the foot

Answer 16

Madura foot, mycetoma or maduramycosis

Question 17

Etiologic agents of maduramycosis

Answer 17

Actinomycotic mycetoma and eumycotic mycetoma

Question 18

Fungus like bacteria; very fine delicate granules in bacillary to coccoid forms

Answer 18

Actinomycetales

Question 19

Species of actinomycotic mycetoma

Answer 19

Israelii-molar tooth colony
Nocardia
Streptomycosis

Question 20

True fingi; large, coarse septatw hyphae and numerous chlamydospores

Answer 20

Eumycotic mycetoma

Question 21

Species of eumycotic mycetoma

Answer 21

Allesheria-pseudouallesheria boydii
Madurella
Phialophora-most common

Question 22

Initial lesions are small, small & subcutaneous nodules appearing on the extremities, face or ear

Answer 22

Lobomycosis

Question 23

Etilogic agent of lobomycosis

Answer 23

Loboa loboi

Question 24

Morphologic feature of lobomycosis

Answer 24

Large, spherical or oval yeast with multiple budding; multinucleated and thick walled

Question 25

Tumor like polyps on nose

Answer 25

Rhinosporidiosis

Question 26

Etiologic agent of rhinosporidiosis

Answer 26

Rhinosporidium seeberi

Question 27

Acquisition or MOT of rhinosporidiosis

Answer 27

Stagnant water

Question 28

Morphologic feature of rhinosporidiosis

Answer 28

Large, spherical sporangia with sporangiospores