Pediatric emergency medicine trisk 2386 2386

Skeletal

Miliary

a Mycobacterium

CSF protein and low
CSF glucose.
TST positive in
approximately 30%.
AFB cultures positive in
20–30%.
Most commonly spondylitis CXR abnormal in 50%.
(particularly of the
MRI is the best diagnostic
thoracolumbar spine),
modality.
arthritis, and
TSTs positive in most.
osteomyelitis
AFB cultures of bone
positive in up to 75%.
Fever, hepatomegaly,
CXR with diffuse granular
splenomegaly, failure to
pattern, sometimes with
thrive. Meningitis is seen
superimposed focal
in up to 20% of cases of
airspace disease.
miliary TB.

TST is very insensitive.
AFB cultures positive in up
to 50%.

tuberculosis also can affect the genitourinary tract, peritoneum, skin, and middle ear.
CXR, chest radiograph; TST, tuberculin skin test; AFB, acid-fast bacilli; CT, computed tomography; CSF,
cerebrospinal fluid.