Here is a selection of new images from our free, online textbook:
Skin nontumor > Warts (verrucae)
Hyperkeratosis, papillomatosis, hypergranulosis, koilocytosis and inward bending of rete ridges at borders of lesion. Dermal papillae show dilated capillaries.
Contributed by Heba Ahmed Abdelkader, M.D.
Small intestine & ampulla > Lymphangioma
Scanning magnification shows the dilated lymphatics in the submucosa of the small intestine (H&E, 2x).
Contributed by Haider A. Mejbel, M.D.
Stomach > Pyloric gland adenoma
High power view of PGA showing small tubular glands with low cuboidal epithelium and bland nuclei.
Contributed by Supriya Srivastava M.D., Ph.D.
Thyroid & parathyroid > Multinodular goiter
Contributed by Andrey Bychkov, M.D., Ph.D.
Bone & joints > Adamantinoma
Anastomosing thin trabeculae of mildly atypical epithelioid and spindled cells within fibrous stroma.
Contributed by Borislav A. Alexiev, M.D.
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