Fever of unknown origin

Diagnosis

Infectious disease (22%)

-EBV

-UTI

-Enterovirus

-Lyme

-Cat-scratch

-Osteomyelitis

-Psittacosis

-Rheumatic fever

-Crohn's

-Bacterial meningitis

Autoimmune (6%)

-JRA

-SLE

-PAN

Malignancy (2%)

-Leukemia

-Lymphoma

Drug-induced fever (2%)

Factitious (2%)

No Etiology (67%)

Workup

Phase 1:

CBC

ESR

TB test

MonoSpot

CXR

BCx

ASLO

ANA

HIV

Phase 2:

LP

BCx again

Sinus/mastoid x-ray

Ophtho exam for iridocyclits

CMV, Toxo, Hep A/B, Tularemia, Brucellosis, Leptospirosis, Salmonellosis

LFTs

Phase 3:

Abd U/S

Abd CT

Gallium/Indium scanning

UGI series c sbft

Bone marrow

Technetium bone scan

Source

7/2/09 PANI