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Structural alterations of VLN flaps after IR injury.

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posted on 06.10.2020, 17:27 authored by Florian S. Frueh, Bijan Jelvani, Claudia Scheuer, Christina Körbel, Bong-Sung Kim, Pietro Giovanoli, Nicole Lindenblatt, Yves Harder, Emmanuel Ampofo, Michael D. Menger, Matthias W. Laschke

A-G HE-stained (A, D and F) and immunohistochemical (B, C, E and G) sections of control (A-C), IR-45 (D and E) and IR-120 (F and G) VLN flaps. SS = subcapsular sinus, IS = intermediate sinus, MS = medullary sinus, F = follicle. Arrowhead = LYVE-1+ cell-lined sinus. C (insert of B) Asterisk = main efferent lymphatic vessel. H-J HE-stained section of follicles of control (H), IR-45 (I) and IR-120 (J) lymph nodes. K Lymph node cellularity (nuclei mm-2). Mean ± SEM, n = 7–8, *P < 0.05, **P < 0.001. L Adipose tissue cellularity (nuclei mm-2). Mean ± SEM, n = 7–8, n.s. = not significant. Scale bars: A, B, D-G = 300 μm, C = 40 μm, H-J = 60 μm. HE = hematoxylin and eosin, LYVE = lymphatic vessel endothelial hyaluronan receptor, VLN = vascularized lymph node.