Posterior Uveitis: Lab Tests Flashcards

1
Q

What lab tests would you order if you suspect toxoplasmosis?

A

ELISA
IgM titer
MRI

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2
Q

What lab tests would you order if you suspect toxocariasis?

A

ELISA
Paracentesis for eosinophils
Ecography

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3
Q

What lab tests would you order if you suspect presume ocular histoplasmosis syndrome?

A

Usually, you don’t need to based on the fundus appearance but you could run a histoplasmosis skin test

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4
Q

What lab tests would you order if you suspect serpiginous choroidopathy?

A

Fluorescein angiography will show a leading edge of the lesion

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5
Q

What lab tests would you order if you suspect multifocal choroiditis?

A

You could run a histoplasmosis skin test?

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6
Q

What lab tests would you order if you suspect MEWDS (Multiple Evanescent White Dot Syndrome)

A

ERG: Will show reduced a wave

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7
Q

What lab tests would you order if you suspect acute retinal pigment epitheliitis?

A

EOG: Will show reduced a wave

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8
Q

What lab tests would you order if you suspect APMPPE (acute posterior multifocal placoid pigment epitheliopathy)?

A

EOG: diminished

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9
Q

What lab tests would you order if you suspect vitiliginous retinochoroidopathy (birdshot)?

A

ERG: reduced b wave and prolonged implicit time

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10
Q

What lab tests would you order if you suspect sarcoidosis?

A

ACE
Chest X-Ray
PPD
ANA

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11
Q

What lab tests would you order if you suspect Behçet’s Syndrome?

A

HLA B5 (found in 50% of patients with Behçet’s)

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12
Q

What lab tests would you order if you suspect Vogt-Koyanagi-Harada Syndrome (VKH)?

A

Fluorescein angiography
Echography
lumbar puncture

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13
Q

What lab tests would you order if you suspect crystalline lens-induced uveitis?

A

Aqueous paracentesis

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14
Q

What lab tests would you order if you suspect lyme disease?

A

ELISA
Lyme Titers
Western Blot?

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15
Q

What lab tests would you order if you have a patient who presents with bilateral, granulomatous or recurrent uveitis with no remarkable history?

A
CBC
ESR
ANA 
RPR or VDRL
FTA-ABS or MHA-TP
PPD and allergy panel 
Chest X-Ray
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