Fungal Infections

Question 1

Chronic infection (2)

Answer 1

1- Cold soft tissue abscess
2- Sinus tract formation

Question 2

Chronic infection (2)

Answer 2

1- Coccidiodomycosis
2- Blastomycosis

Question 3

Necrotizing Granulomas (1)

Answer 3

Histoplasmosis

Question 4

Necrotizing and Pyogenic Granulomas (1)

Answer 4

Coccidiodomycosis

Question 5

Pyogranuloma (1)

Answer 5

Blastomycosis

Question 6

Resemble Acute bacterial septic arthritis (2)

Answer 6

1- Blastomyces dermatiditis
2- Candida

Question 7

Prosthetic Joint (1)

Answer 7

Candida

Question 8

Tenosynovitis (3)

Answer 8

1- Candida
2- Sporothrix schenckii
3- Coccidiodomycosis immitis

Question 9

Intravenous Drug Users (1)

Answer 9

Candida
(Injecting brown heroin with lemon juice containing yeast)

Question 10

Impaired cell-mediated immunity (1)

Answer 10

Cryptococcus neoformans

Question 11

Aspergillus (3)

Answer 11

1- Ubiquitous moulds
2- Axial skeleton —> lumbar spine
3- Intra-articular steroid injections or TNF antagonists

Question 12

Blastomyces dermatidits (3)

Answer 12

1- Dimorphic
2- Inhaled as spores
3- Nodular and ulcerative skin lesions

Question 13

Coccidiodes immitis (3)

Answer 13

1- Inhalation of arthrospores
2- Middle of flat bones, Metaphysis of long bones, Bony prominences e.g. tibial tuberosity
3- Sterile immune complex arthritis (desert rheumatism) —> part of self-limiting hypersensitivity syndrome (fever, rash, eosinophilia, hilar adenopathy)

Question 14

Histoplasma capsulatum (2)

Answer 14

1- Primary pulmonary histoplasmosis
2- Self-limited, sterile migratory polyarthritis (immune complex arthritis)

Question 15

Complement Fixation (2)

Answer 15

1- Histoplasmosis
2- Coccidiodomycosis

Question 16

Latex Agglutination (1)

Answer 16

Cryptococcicosis