case_images: PMC11728067_01
case_images: Positron emission computed tomography with 18F-fluorodeoxyglucose.
case_images: gr1.jpg
case_images: PMC11728067_01_gr1.jpg
case_images: fig0001
case_images: Lymph node biopsy: Immunohistochemistry with haematoxyline-eosine (H&E) staining positive cells (A). Immunohistochemistry with CD3 staining positive cells (B). Immunohistochemistry with PAX5 staining positive cells (C). Original magnification x 10.
case_images: gr2.jpg
case_images: PMC11728067_01_gr2.jpg
case_images: fig0002
case_images: Anti-CD4, anti-PD1, anti-CD10, anti-BCL6, and anti-CXCL13 immunostainings were non-contributory due to a lack of residual material (Fig. 2).
case_images: Bone marrow histology: Immunohistochemistry with reticuline staining (A). Immunohistochemistry with CD3 staining positive cells (B) Immunohistochemistry with PD1 staining positive cells (C). Immunohistochemistry with CXCL13 staining positive cells (D). Original magnification x 4.
case_images: gr3.jpg
case_images: PMC11728067_01_gr3.jpg
case_images: fig0003
case_images: Histology revealed the presence of grade 2 reticulinic myelofibrosis with polyclonal T-cell lymphocytosis (Fig. 3).