case_images: PMC11402347_01
case_images: Appearance and ultrasound images of primary breast Burkitt lymphoma. (A) The bilateral breasts are extremely engorged, with the skin appearing dark purple. (B) Multiple hypoechoic and mixed-echogenicity nodules of varying sizes are densely present in the bilateral breasts(arrows). (C) Reticular structures in the lesions (arrows); (D) multiple isoechoic and hyperechoic echogenic masses around the lesions (arrows); (E) hydrops and thickening of the breast skin and subcutaneous tissues and echo enhancement (arrows); (F) abundant blood flow signal in the lesions.
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case_images: The local skin temperature was elevated, and superficial veins were engorged (Figure 1A). Austria) with 5-MHz convex array probe and 13-MHz linear array probe. As the lesions were too large, a 5-MHz convex array probe was used to observe the overall view of the lesions (Figure 1B), and a 13-MHz linear probe was used to observe the internal echoes and blood flow of the lesions (Figure 1C-F). Hypoechoic and mixed-echogenicity nodules of varying sizes were found in both breasts, with unclear boundaries and irregular margins; some lesions fused with each other, involving the entire breasts (Figure 1B). Multiple reticular echogenic bands were noted in the lesions (Figure 1C), with multiple isoechoic and hyperechoic spots and masses around the lesions (Figure 1D). The breast skin and subcutaneous tissue was swollen along with echo enhancement (Figure 1E). Abundant blood flow signals in the lesions revealed a resistance index of 0.61 (Figure 1F).
case_images: CT images of primary breast Burkitt lymphoma. (A) Chest CT: Bilateral breasts diffuse distribution medium density imaging. (B) PET CT: Burkitt lymphoma involves bilateral breasts (arrows), right adrenal glands, uterus, and multiple bones.
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case_images: CT (Figure 2B): Right maxillary sinus, left sphenoid sinus, right nasopharyngeal posterior wall, right parapharyngeal space, left posterior neck subcutaneous, bilateral breasts, right adrenal gland, hilar space, uterus, left groin region, right buttock subcutaneous, right vertical spinal muscle, multiple high metabolic mass; The increased metabolism of the left margin of the T3 vertebra, the left femoral head, and the left femoral bone marrow cavity were all considered as lymphoma infiltration. Chest CT: bilateral breasts diffuse distribution medium density imaging (Figure 2A).
case_images: Pathological staining of primary breast Burkitt lymphoma (hematoxylin and eosin staining) (A) Diffuse infiltration of uniformly heterogeneous lymphoid cells is microscopically observed (yellow arrow), and a "starry sky pattern" is evident (green arrow). (B) Immunohistochemical test results:ki-67 (100%+)(red arrow).
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case_images: The "starry sky pattern" was evident in the background (Figure 3).  