case_images: PMC10948278_01
case_images: Imaging and biopsy results of the patient with NMOSD secondary to pSS. (A) Cervical medullary MRI showed a hypersignal lesion in the T2 sequence at the C2 level (highlighted by an arrow). (B) Lip biopsy showed focal collection of lymphocytes (highlighted by an arrow). (C) Serum anti-aquaporin-4 (AQP4) antibody test was positive by using cytometric bead array
case_images: rkae031f1.jpg
case_images: PMC10948278_01_rkae031f1.jpg
case_images: rkae031-F1
case_images: Lip biopsy demonstrated focal collections of lymphocytes (>4 foci/4 mm2 (Fig. 1B)) in keeping with the diagnosis of pSS. C2 level (Fig. 1A). Cytochemical and microbial assessments showed normal cerebrospinal fluid. However, serum anti-aquaporin-4 (AQP4) antibody test was positive (titre: 1:32) (Fig. 1C).