Key result
Neoplastic pulmonary emboli present as a tree-in-bud pattern and cause fatal progression in DSRCT.
Why the study?
Neoplastic pulmonary emboli presenting with a tree-in-bud pattern on CT and their clinical progression in desmoplastic small round-cell tumor are not well characterized.
Case Report (n=1)
Neoplastic pulmonary emboli can present with a tree-in-bud pattern on helical CT, reflecting tumor emboli reaching the centrilobular arteries.
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Tumor emboli may cause tree-in-bud pattern with pulmonary hypertension; this case extends the differential but remains hypothesis-generating.
Tack et al. (2001) conducted a case report in Neoplastic Pulmonary Emboli (n=1). Desmoplastic small round-cell tumor was evaluated. A 31-year-old man with a desmoplastic small round-cell tumor developed progressive neoplastic pulmonary emboli presenting as a tree-in-bud pattern on CT, ultimately leading to death.
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