24 February 2021: Images of the Week

Here is a selection of new images from our free, online textbook:

Colon > Ischemic colitis

Low power image showing crypt injury, marked crypt dropout, lamina propria hyalinization and vascular congestion.

Contributed by Gagandeep Kaur, M.D. and Monika Vyas, M.D.

Lymphoma & related disorders > Richter syndrome

H&E of Richter syndrome, diffuse large B cell lymphoma type. Diffuse sheets of large, atypical cells with finely dispersed chromatin and prominent nuclei.

Contributed by Shahbaz Khan, M.D.

Skin nontumor > Psoriasis

Higher magnification of subcorneal pustule in pustular psoriasis with elongated and dilated capillaries in the papillary dermis. Punch biopsy from the trunk (40x).

Contributed by Viktoryia Kazlouskaya, M.D., Ph.D.

Skin melanocytic tumor > Desmoplastic melanoma

Pure type desmoplastic melanoma consisting entirely of spindle cells in a fibrous stroma without convention melanoma (100x).

Contributed by Gregory A. Hosler, M.D., Ph.D.

Stains & molecular markers > ATM

ATM immunostaining of rectal adenocarcinoma.

Contributed by Joo-Shik Shin, M.B.B.S., 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.

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