{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,26]],"date-time":"2026-03-26T10:23:17Z","timestamp":1774520597958,"version":"3.50.1"},"reference-count":24,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2018,8,26]],"date-time":"2018-08-26T00:00:00Z","timestamp":1535241600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Ophthalmologica"],"published-print":{"date-parts":[[2018,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Combined whole\u2010body F\u201018\u2010fluoro\u20102\u2010deoxyglucose positron emission tomography \/ computed tomography ([18F]FDG\u2010PET\/CT) gives precise information about tumour morphology and metabolism. The standardized uptake value (SUV) allows quantification of tumour metabolism. The diagnostic value of PET\/CT in patients with suspected orbital adnexal lymphoma (OAL) was evaluated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Of 21 patients with suspected OAL who underwent combined whole\u2010body PET\/CT between 07\/2002 and 11\/2016, 16 were scanned before and five after orbital biopsy. Histological tumour determination was performed in all cases via biopsy. Correlation between SUV<jats:sub>max<\/jats:sub> and therapeutic status, lymphoma stage (Ann Arbor classification) and histological grading was tested.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>All lesions could be depicted by combined whole\u2010body PET\/CT. Histology confirmed two malignant T\u2010cell and 18 malignant B cell non\u2010Hodgkin lymphomas as well as one patient suffering from systemic lymphoma with chronic polypoid sinusitis. SUV<jats:sub>max<\/jats:sub> levels of orbital findings were significantly lower after therapy (p<jats:italic>\u00a0<\/jats:italic>&lt;\u00a00.001; Fisher's exact test). Higher stage lymphomas (Ann Arbor classification) expressed significantly higher SUV<jats:sub>max<\/jats:sub> levels (p\u00a0=\u00a00.014; Fisher's exact test). There was no significant correlation of SUV<jats:sub>max<\/jats:sub> values and histologic grading in this patient collective.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Positron emission tomography\/computed tomography (PET\/CT) depicted vital tumour metabolism of OALs accurately. In cases scanned after orbital biopsy and under systemic therapy, no elevated tumour metabolic activity was expressed. This underlines the reasonable application of PET\/CT for therapy monitoring besides whole\u2010body staging. Higher\u2010stage OALs show higher metabolic activity. Yet, for adequate therapy initiation, histology remains indispensable.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aos.13766","type":"journal-article","created":{"date-parts":[[2018,8,28]],"date-time":"2018-08-28T05:00:45Z","timestamp":1535432445000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Combined positron emission tomography\/computed tomography for diagnosis and monitoring of orbital adnexal lymphoma"],"prefix":"10.1111","volume":"96","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8767-7660","authenticated-orcid":false,"given":"Annemarie","family":"Klingenstein","sequence":"first","affiliation":[{"name":"Department of Ophthalmology Ludwig\u2010Maximilians\u2010University Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aylin","family":"Garip\u2010Kuebler","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology Ludwig\u2010Maximilians\u2010University 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