Here is a selection of new images from our free, online textbook:
H&E of Richter syndrome, diffuse large B cell lymphoma type. Diffuse sheets of large, atypical cells with finely dispersed chromatin and prominent nuclei.
Shahbaz Khan, M.D.
Higher magnification of subcorneal pustule in pustular psoriasis with elongated and dilated capillaries in the papillary dermis. Punch biopsy from the trunk (40x).
Viktoryia Kazlouskaya, M.D., Ph.D.
Pure type desmoplastic melanoma consisting entirely of spindle cells in a fibrous stroma without convention melanoma (100x).
Gregory A. Hosler, M.D., Ph.D.
How can you search the textbook?
For desktop / tablet, you can either use the Google search bar in the upper right corner or visit
PathologyOutlines.com and then scroll down to where the 60 chapters are listed, as demonstrated below.
For mobile, visit
PathologyOutlines.com, click on “Chapters by Subspecialty” (as demonstrated below) and then click on the subspecialty, chapter and topic.
For any device you can use your favorite browser and type in PathologyOutlines.com in addition to the search term.