Figure 1.
Cutaneous follicular lymphoma cases and their immunohistological characteristics. (A) Summary of the FL cases included in the study. (B) Morphology of cutaneous follicle center lymphomas. PCFCL nodular architecture. Hematoxylin and eosin (H&E) staining, low power (left; original magnification ×40) and high power (right; original magnification ×1000). SCFL. H&E staining, low power (left; original magnification ×40) and high power (right; original magnification ×1000). (C) IHC staining (original magnification ×100) of PCFCL and SCFL specimens: BCL6, BCL2, CD21, and Ki-67. (D) Comparison graphs showing differences in BCL2 rearrangement and BCL2, CD10, CD21, and Ki-67 staining between cases of PCFCL and SCFL. Pink dots in Ki-67 histogram represent cases of PCFCL with systemic spread.

Cutaneous follicular lymphoma cases and their immunohistological characteristics. (A) Summary of the FL cases included in the study. (B) Morphology of cutaneous follicle center lymphomas. PCFCL nodular architecture. Hematoxylin and eosin (H&E) staining, low power (left; original magnification ×40) and high power (right; original magnification ×1000). SCFL. H&E staining, low power (left; original magnification ×40) and high power (right; original magnification ×1000). (C) IHC staining (original magnification ×100) of PCFCL and SCFL specimens: BCL6, BCL2, CD21, and Ki-67. (D) Comparison graphs showing differences in BCL2 rearrangement and BCL2, CD10, CD21, and Ki-67 staining between cases of PCFCL and SCFL. Pink dots in Ki-67 histogram represent cases of PCFCL with systemic spread.

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