Lambda sign (sarcoidosis)

Last revised by Craig Hacking on 01 Jun 2020

The lambda sign is seen on gallium-67 scans in the setting of thoracic sarcoidosisBilateral hilar and right paratracheal lymph nodes are typically involved which can resemble the Greek letter lambda (λ).

See also

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Cases and figures

  • Figure 1: equivalence on gross pathology
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  • Case 1: Gallium scan
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  • Case 1: annotated Gallium scan
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  • Case 2: chest x-ray
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