Here is a selection of new images from our free, online textbook:
Noninvasive lepidic adenocarcinoma (left) juxtaposed with adjacent uninvolved lung parenchyma (right). The lepidic adenocarcinoma is characterized by thickened alveolar septa lined by atypical overlapping cuboidal cells.
Jonathan Keow, M.D., Ph.D.
High power view of epithelial lining with maturation of squamous epithelium, which lacks a granular layer (trichilemmal differentiation).
Aaron Muhlbauer, M.D. and Jodi Speiser, M.D.
Leiomyosarcoma of the vulva, morphologically low grade, with moderately atypical, round to cigar shaped nuclei with focally prominent nucleoli (400x). Mitoses are rare (1 – 2 per 10 high power fields) and necrosis is absent.
David B. Chapel, M.D.
A low power view shows papillary / verrucous epithelial hyperplasia with band-like plasma cell infiltrate in the scrotum.
Liwei Jia, M.D., Ph.D.
Here are just a few of this week’s new images from our free, online textbook:
Hepatic angiomyolipoma showing characteristic mixture of smooth muscle cells, adipocytes and blood vessels (upper right).
Kimberley J. Evason, 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 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.