Patients’ characteristics
| Patient | SH2D1A variant | XLP symptoms aside from LPD | Age of onset of LPD | Site of involvement in LPD | Surface antigens of infiltrating lymphocytes | EBER positivity in tissue | Pathological diagnosis | Tumor sample type |
|---|---|---|---|---|---|---|---|---|
| P1 | c.208_209insC p.P70fs*4 | HLH | 5/18 years | Right frontal lobe and cerebellum | CD20+ | Positive | DLBCL | Biopsy |
| P2 | Exon 1 deletion | Recurrent otitis media and pneumonia | 5 years | Left cervical lymph nodes | CD20+, CD10−, Bcl6+, and MUM1+ | Positive | LPD (borderline malignancy) | Biopsy |
| P3 | c.162C>A p.Y54X | None | 8 years | Liver, intra-abdominal lymph nodes, and subcutaneous nodules | CD3+ and CD20+ | Negative | LPD | Biopsy |
| P4 | Exon 3–4 deletion | Recurrent sinusitis | 9 years | Left cervical lymph nodes, lung, liver, and mediastinum lymph nodes | CD20+ | Positive | DLBCL | FFPE |
| P5 | c.162_201+31delinsTACAAGGACATA | Recurrent pneumonia | 5 years | Left cervical lymph nodes and mediastinum lymph nodes | CD30+ | Positive | Hodgkin lymphoma | FFPE |
| P6 | c.128T>C p.L43P | None | 6 years | Right cervical lymph node | CD20+, CD10+, Bcl6+, and MUM1+ | Negative | DLBCL | Biopsy |
| Patient | XLP symptoms aside from LPD | Age of onset of LPD | Site of involvement in LPD | Surface antigens of infiltrating lymphocytes | EBER positivity in tissue | Pathological diagnosis | Tumor sample type | |
|---|---|---|---|---|---|---|---|---|
| P1 | c.208_209insC | HLH | 5/18 years | Right frontal lobe and cerebellum | CD20+ | Positive | DLBCL | Biopsy |
| P2 | Exon 1 deletion | Recurrent otitis media and pneumonia | 5 years | Left cervical lymph nodes | CD20+, CD10−, Bcl6+, and MUM1+ | Positive | LPD (borderline malignancy) | Biopsy |
| P3 | c.162C>A | None | 8 years | Liver, intra-abdominal lymph nodes, and subcutaneous nodules | CD3+ and CD20+ | Negative | LPD | Biopsy |
| P4 | Exon 3–4 deletion | Recurrent sinusitis | 9 years | Left cervical lymph nodes, lung, liver, and mediastinum lymph nodes | CD20+ | Positive | DLBCL | FFPE |
| P5 | c.162_201+31delinsTACAAGGACATA | Recurrent pneumonia | 5 years | Left cervical lymph nodes and mediastinum lymph nodes | CD30+ | Positive | Hodgkin lymphoma | FFPE |
| P6 | c.128T>C | None | 6 years | Right cervical lymph node | CD20+, CD10+, Bcl6+, and MUM1+ | Negative | DLBCL | Biopsy |
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