UNCOMMON TO VERY RARE CAUSE OF DISEASE

Question 1

Humans, monkeys

Answer 1

M. africanum

Question 2

Pulmonary cultures; resembles M. tuberculosis; rare

Answer 2

M. africanum

Question 3

Humans? pet birds?

Answer 3

M. genavense

Question 4

Blood in AIDS patients; grows in liquid medium (BACTEC) and on solid medium supplemented with mycobactin j; grows in 2-8 weeks

Answer 4

M. genavense

Question 5

Unknown

Answer 5

M. haemophilum

Question 6

Subcutaneous nodules and ulcers primarily in AIDS patients; requires hemoglobin or hemin; grows at 28-32°C; rare

Answer 6

M. haemophilum

Question 7

Unknown, environment

Answer 7

M. malmoense

Question 8

Pulmonary tuberculosis-like (adults), lymph nodes (children); most reported cases are from Sweden but organism may be much more
widespread; M. malmoense is closely related to M. avium- intracellulare; Takes 8-12 weeks to grow

Answer 8

M. malmoense

Question 9

Fish, water

Answer 9

M. marinum

Question 10

Subcutaneous nodules and abscesses, skin ulcers

Answer 10

M. marinum

Question 11

Cervical lymphadenitis; usually cured by incision, drainage, and removal of involved lymph nodes

Answer 11

M. scrofulaceum

Question 12

Soil, water, moist food

Answer 12

M. scrofulaceum

Question 13

Monkeys, water

Answer 13

M. simiae

Question 14

Pulmonary, disseminated in AIDS patients; rare

Answer 14

M. simiae

Question 15

Unknown

Answer 15

M. szulgai

Question 16

Pulmonary, tuberculosis-like; rare

Answer 16

M. szulgai

Question 17

Humans, environment

Answer 17

M. xenopi

Question 18

Subcutaneous nodules and ulcers; may be severe; M. ulcerans is closely related to M. marinum; takes 6-12 weeks to grow; optimal growth at 33°C suggests environmental source; rare

Answer 18

M. xenopi

Question 19

Water, birds Pulmonary, tuberculosis-like with preexisting lung disease; rare

Answer 19

M. xenopi