Ischemic fasciitis (atypical decubital fibroplasia, pseudo-sarcoma, bed sores, pathology)

[@JMGardnerMD]

This is an excerpt from my Basic Soft Tissue Pathology Cases video (full video here: kikoxp.com/posts/5434). See also:
Nodular fasciitis
Video (101): kikoxp.com/posts/3618
Video (short 1): kikoxp.com/posts/4513
Video (short 2): kikoxp.com/posts/6206
Video (short 3 - nodular fasciitis w/ intravascular “invasion”): kikoxp.com/posts/15034
Images: kikoxp.com/posts/14784
Proliferative fasciitis & Proliferative myositis
Video (101): kikoxp.com/posts/3566
Video (short): kikoxp.com/posts/4618
Video (short 2): kikoxp.com/posts/15035
Video (discussed in bone pathology 101 video): kikoxp.com/posts/7674
WSI digital slide: kikoxp.com/posts/3536
Myositis ossificans & fibro-osseous pseudotumor of digits
Video (101): kikoxp.com/posts/12987
WSI digital slide: kikoxp.com/posts/12955
Radiology images: kikoxp.com/posts/13017

[@znrsmsaa3655]

Thanks alot

[@Jam-zg2co]

thank you so much. really misleading ! all the features indicate malignancy: necrosis, mitosis and some atypical cells near fatty cells !
so is the history is the only way to differentiate?