File:RDD Pathology.png

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Revision as of 18:05, September 14, 2020 by Alexander.Engelmann (Talk | contribs) (Figure 2. Nodal RDD from tissue biopsies (A-B) and fine-needle aspiration (C-E). (A) Mixed RDD/LCH case with sinus expansion. The large RDD histiocytes display conspicuous emperipolesis with pale cytoplasm, as compared with the intermixed LCH cells wit...)

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Figure 2. Nodal RDD from tissue biopsies (A-B) and fine-needle aspiration (C-E). (A) Mixed RDD/LCH case with sinus expansion. The large RDD histiocytes display conspicuous emperipolesis with pale cytoplasm, as compared with the intermixed LCH cells with dense eosinophilic cytoplasm and convoluted nuclei (OM ×400; H&E stain). (B) The RDD histiocytes show pale watery-clear cytoplasm, a central round nucleus with a conspicuous nucleolus, and emperipolesis (OM ×1000; H&E stain). Cell block preparation shows clusters of RDD histiocytes (OM ×400; H&E stain) (C), with nuclear and cytoplasmic staining for S100 (OM ×1000) (D) and fascin (OM ×1000) (E); the trafficking intact leukocytes are negative. (11)

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current18:05, September 14, 2020Thumbnail for version as of 18:05, September 14, 2020974 × 889 (1.8 MB)Alexander.Engelmann (Talk | contribs)Figure 2. Nodal RDD from tissue biopsies (A-B) and fine-needle aspiration (C-E). (A) Mixed RDD/LCH case with sinus expansion. The large RDD histiocytes display conspicuous emperipolesis with pale cytoplasm, as compared with the intermixed LCH cells wit...
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