2 December 2020: Images of the Week

Here are just a few of this week’s new images from our free, online textbook:

Low grade intraosseous (central) osteosarcoma

Cellular fascicles of spindle cells with mild nuclear atypia in a fibrosclerotic stroma.

Contributed by Borislav A. Alexiev, M.D.

AML with inv(3)(q21.3;q26.2) or t(3;3)(q21.3;q26.2)

Bone marrow aspirate showing a hypolobated megakaryocyte, increased blasts and a pseudo-Pelger-Hüet neutrophil.

Contributed by Alexa J. Siddon, M.D.


Snapshot of dynamic microscopy from the pathologist end (10x objective), showing annotations and the control buttons.

Contributed by Jason A. Thomas, C.T. and Sigfred Lajara, M.D.

Liver & intrahepatic bile ducts → Viral hepatitis → COVID-19

Occasional cases (15%) have sinusoidal microthrombi (600x).

Contributed by Stephen M. Lagana, M.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 61 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.