Study the finding, then test the visual cue against the linked Review and Q-Book material.
The PMC figure JPEG is a reduced 800×709 derivative. Use the local losslessly extracted PDF bitmap; original_url points to the source PDF, not an image endpoint. Absence of thymic shadow alone is not specific for DiGeorge syndrome.
Jessica Ford, Jose M. Pena, Shane C. Rainey · CC BY 3.0 · inherited_catalog_not_refetched
License record ↗ · Media ID MED-bca03afdf9ce9a6c6968
Normal comparator only. Do not present as absent thymic shadow or as an immunodeficiency case.
Nevit Dilmen · CC BY-SA 3.0 · inherited_catalog_not_refetched
License record ↗ · Media ID MED-572bd5b50489644fe5b0
Native publisher figure, visually reviewed. Different disease context from DiGeorge; label as reduced/absent thymic shadow in lymphopenia, not as SCID.
Hope Retif, Devyn Rolhfs Rivera, Jariya Upadia, Christian Wysocki, Andrew Abreo, Luke A. Wall · CC BY 4.0 · inherited_catalog_not_refetched
License record ↗ · Media ID MED-ccc7f27aaf572c3a86ee