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Dynamic Scintigraphy With SPECT-CT of Postoperative Salivary Leak
Kathleen Weyts1, Linda Spinato, Pierre Bisschop
1From the *Department of Nuclear Medicine E4, CHU Brugmann Hospital, Brussels, Belgium; †Department of Otorhinolaryngology, CHU Brugmann Hospital, Brussels, Belgium; and ‡Department of Radiotherapy, Medical Physics, UZ Brussel, Brussel, Belgium.
Abstract:
This 65 year-old woman, 1 month postoperative after maxillary sinus carcinoma (pT4N0cM0) excision and reconstruction, presented with significant left facial clear fluid wound leakage. A salivary or cerebrospinal leakage was suspected. Fluid analysis, CT, and MRI were noncontributory. Dynamic salivary scintigraphy with SPECT-CT allowed for the detection and localization of the leakage from the left parotid gland. Radioactive dose rate of the wound bandage was 50 μSv/h compared with 0.05 μSv/h for background and confirmed the diagnosis. Left total parotidectomy resulted in resolution.
