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. 2021 Oct 14;5(20):3919–3930. doi: 10.1182/bloodadvances.2021004562

Figure 1.

Figure 1.

Histopathological features of SPTCLs and detection of HAVCR2Y82C mutations. (A) Excisional biopsy specimen of a 16-year-old female patient with an SPTCL (SP04) exhibited adipocytic rimming by CD8-positive lymphocytes along with prominent necrosis. This patient was confirmed by using WES to have a germline homozygous HAVCR2Y82C mutation. (B) Lipogranulomatous inflammation was observed in a 54-year-old female patient (SP44), and TGS revealed heterozygous HAVCR2Y82C mutations. SP14 harbored heterozygous HAVCR2Y82C mutations, which could be inferred from double peaks on the electropherogram. (C) A 45-year-old female patient (SP52) with the HAVCR2WT genotype had both necrosis and granuloma formation. (D) Lipogranulomatous inflammation was observed in the HAVCR2WT SPTCL of a 53-year-old woman (SP39).