18F-FDG PET: Early postoperative period of oro-maxillo-facial flaps

Reingard M. Aigner, G. Schultes, G. Wolf, Y. Yamashita, E. Sorantin, H. Kärcher

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Aim: We addressed the feasibility of FDG-PET to differentiate between viability and non-viability in the immediate postoperative assessment of flaps (autologous microvascular anastomosed pedicled flaps) in oro-maxillofacial surgery. Methods: 3-7 days after surgery, FDG-PET was done in 38 patients who had received flaps for reconstruction of the mandible after partial resection. The studies were done on a dedicated full ring PET-scanner (ECAT EXACT HR+, Siemens/CTI). Acquisition started between 60 and 80 min post injection. The findings of the soft tissue component of the flaps were grouped using a three point scale: (I) no defect, (II) small defects, (III) one large defect. The results of PET were compared with the clinical course for at least 3 months. Results: "No defect" on the FDG-PET study identified viability of the flap and predicted normal clinical follow-up (22/38 patients). "Small defects" visualized areas of decreased perfusian and decreased glucose metabolism indicating risk of non-viability (13/38 patients); adapting the postsurgical management led to delayed but uncomplicated healing of the flaps in these patients. "One large defect" demonstrated early necrosis of the flap (3/38 patients). After removal and replacement of this necrotic portion of the flap the second FDG-PET scan of these 3 patients demonstrated the uncomplicated post-operative healing. Conclusion: FDG-PET facilitated the assessment of viability and non viability of flaps in the immediate postsurgical period, and demonstrated the usefulness of FDG-PET for postoperative care and prognosis.

Original languageEnglish
Pages (from-to)210-214
Number of pages5
JournalNuklearmedizin
Volume42
Issue number5
Publication statusPublished - Oct 2003
Externally publishedYes

Fingerprint

Fluorodeoxyglucose F18
Postoperative Period
Surgical Flaps
Postoperative Care
Oral Surgery
Ambulatory Surgical Procedures
Mandible
Positron-Emission Tomography
Necrosis
Glucose
Injections

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Aigner, R. M., Schultes, G., Wolf, G., Yamashita, Y., Sorantin, E., & Kärcher, H. (2003). 18F-FDG PET: Early postoperative period of oro-maxillo-facial flaps. Nuklearmedizin, 42(5), 210-214.

18F-FDG PET : Early postoperative period of oro-maxillo-facial flaps. / Aigner, Reingard M.; Schultes, G.; Wolf, G.; Yamashita, Y.; Sorantin, E.; Kärcher, H.

In: Nuklearmedizin, Vol. 42, No. 5, 10.2003, p. 210-214.

Research output: Contribution to journalArticle

Aigner, RM, Schultes, G, Wolf, G, Yamashita, Y, Sorantin, E & Kärcher, H 2003, '18F-FDG PET: Early postoperative period of oro-maxillo-facial flaps', Nuklearmedizin, vol. 42, no. 5, pp. 210-214.
Aigner RM, Schultes G, Wolf G, Yamashita Y, Sorantin E, Kärcher H. 18F-FDG PET: Early postoperative period of oro-maxillo-facial flaps. Nuklearmedizin. 2003 Oct;42(5):210-214.
Aigner, Reingard M. ; Schultes, G. ; Wolf, G. ; Yamashita, Y. ; Sorantin, E. ; Kärcher, H. / 18F-FDG PET : Early postoperative period of oro-maxillo-facial flaps. In: Nuklearmedizin. 2003 ; Vol. 42, No. 5. pp. 210-214.
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