Bartonella Bacilliformis

Question 1

Bartonella bacilliformis is a flagellated, gram positive, facultative intracellular, anaerobe. true or false?

Answer 1

False - it is a flagellated, gram negative, facultative intracellular, aerobe.

Question 2

How does bartonella affect red cells?

Answer 2

infects erythrocytes and endothelial cells causing physical damage and introduction of antigens into the erythrocyte
membrane, producing intense erythrophagocytosis - haemolytic anaemia is the result.

Question 3

Name the two clinical forms of the disease bartonella bacilliformis.

Answer 3

oroya’s fever + verruga peruana

Question 4

where would you find the disease B.baccilliformis mainly?

Answer 4

the highlands of Peru - usually at altitude 500-3200m but can see it at higher altitudies, the jungle + also seen in Colombia + equador.

Question 5

how long can the fever persist for in B.bacilliformis?

Answer 5

often on average 60days but ranges from 10-210days. can be very prolonged!

Question 6

how would you describe this lesion?

Answer 6

likely mular lesion of chronic form of Bartonella bacilliformis.

Question 7

how would you describe this lesion?

Answer 7

miliary lesion - eruptive phase bartonellosis.