Pancoast tumor imaging findings

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mazia Fatima, MBBS [2]

Overveiw

A bone scan may demonstrate bone metastases. FDG(18 F fluoro deoxyglucose) PET scans along with contrast enhanced CT may be helpful in the diagnosis of extent of Pancoast tumor.

Other Imaging Findings

FDG (18 F fluoro deoxyglucose) PET scans along with contrast enhanced CT may be helpful in the diagnosis of extent of Pancoast tumor. Findings on FDGPET/CT suggestive of Pancoast tumor include:^[1]
- Solitary pulmonary nodule
Benefits of FDGPET/CT include:^[2]
- Accurate delineation of the viable tumor from surrounding atelectasis and collapse or consolidation.
- It may further lead to a change in staging and treatment options of the lung cancer.
- Provide guidance for the biopsy.^[3]

Role of FDG PET/CT in primary tumor delineation. Irregular soft tissue opaciseeisare seenn on coronal CT scan (arrow, A) with no obvious demarcation between the tumor and surrounding consolidation. PET/CT shows the FDG-avid tumor (arrow, B) separate from the non–FDG-avid consolidation (arrowhead, B),via https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4419420/figure/F6/^[1]

References

↑ ^1.0 ^1.1 Purandare, NilenduC; Rangarajan, Venkatesh (2015). “Imaging of lung cancer: Implications on staging and management”. Indian Journal of Radiology and Imaging. 25 (2): 109. doi:10.4103/0971-3026.155831. ISSN 0971-3026.
↑ van Baardwijk, Angela; Baumert, Brigitta G.; Bosmans, Geert; van Kroonenburgh, Marinus; Stroobants, Sigrid; Gregoire, Vincent; Lambin, Philippe; De Ruysscher, Dirk (2006). “The current status of FDG–PET in tumour volume definition in radiotherapy treatment planning”. Cancer Treatment Reviews. 32 (4): 245–260. doi:10.1016/j.ctrv.2006.02.002. ISSN 0305-7372.
↑ Purandare, Nilendu C.; Kulkarni, Aniruddha V.; Kulkarni, Suyash S.; Roy, Diptiman; Agrawal, Archi; Shah, Sneha; Rangarajan, Venkatesh (2013). “18F-FDG PET/CT-directed biopsy”. Nuclear Medicine Communications. 34 (3): 203–210. doi:10.1097/MNM.0b013e32835c5a57. ISSN 0143-3636.

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