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Table 1 Histological features of NMDAR-E associated ovarian teratomas

From: Immunopathological characterization of ovarian teratomas associated with anti-N-methyl-D-aspartate receptor encephalitis

Case # Teratoma Grading CNT Cystic/Solid PNT /ENT Inflammatory infiltrates in contact with CNT TLS in contact with CNT
1 Immature (Grade 1) Yes/Yes No/Yes ++ 0
2 Immature (Grade 2) Yes/Yes Yes/No +++ 0
3 Immature (Grade 2) No/Yes Yes/Yes + 0
4* Mature Yes/Yes No/No + 0
5* Mature No/Yes Yes/No + 1
6* Mature Yes/Yes No/No + 1
7 Mature Yes/No No/No + 0
8 Mature Yes/Yes No/No ++ 0
9 Mature Yes/No No/No ++ 0
10 Mature No/Yes No/No ++ 1
11 Mature Yes/Yes Yes/Yes ++ 0
12 Mature No/No No/No NA NA
13 Mature Yes/Yes No/No ++ 0
14 Mature Yes/Yes No/No +++ 1
15 Mature Yes/No Yes/No ++ 0
16 Mature Yes/No Yes/Yes ++ 0
17 Mature No/Yes No/No + 0
18 Mature Yes/Yes No/Yes ++ 1
19 Mature Yes/Yes Yes/No +++ 1
20 Mature Yes/Yes Yes/No + 1
21 Mature No/Yes Yes/No +++ 1
22 Mature No/Yes No/No ++ 1
23 Mature No/Yes No/No ++ 1
24 Mature Yes/No No/No ++ 1
25 Mature Yes/No No/No +++ 0
26 Mature No/Yes No/Yes + 1
27 Mature No/Yes No/Yes +++ 1
  1. NMDAR-E: Encephalitis with anti-NMDAR antibodies; CNT: central nervous system-like teratomatous tissue; PNT: peripheral nervous tissue; ENT: Enteric nervous tissue. * Cases presenting histological features resembling glioma; TLS: Tertiary Lymphoid Structures; NA: not applicable