Here is a selection of new images from our free, online textbook:
Soft tissue > Sclerosing epithelioid fibrosarcoma
Sclerosing epithelioid fibrosarcoma with EWSR1-CREB3L1 fusion. Small, round to ovoid epithelioid cells with sparse, often clear cytoplasm and round to oval nuclei.
Contributed by Borislav A. Alexiev, M.D.
Stains > HPV (Human papillomavirus)
p16 diffuse and strong nuclear and cytoplasmic staining in HSIL.
Contributed by Ana Félix, M.D., Ph.D.
Stomach > Carcinoma-general
Gastric tumor with linitis plastica pattern: diffuse rugal flattening and thickening of the gastric wall. Note the absence of a well defined tumor mass.
Contributed by Clara Alfaro, M.D., Ph.D.
Vulva, vagina & female urethra > Condyloma
Condyloma acuminatum of the vulva with acanthosis, papillomatosis and basal fusion of broad papillae. There are no significant viral specific changes of the epithelium.
Contributed by Matthias Choschzick, M.D.
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