Authors: Sahar Suleman, M.B.B.S., Madiha Bilal Qureshi, M.B.B.S., Nasir Ud Din, M.B.B.S.
Which type of crystals are seen in gout?
Select an answer:
A. Envelope-like crystals
B. Needle shaped crystals
C. Rhomboid crystals
D. Spherical crystals
E. Square shaped crystals
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Here is a selection of new images from our free, online textbook:
There is obvious nuclear atypia and pleomorphism but the background is distinctly chondroid.
Contributed by Shadi Qasem, M.D.
Bone marrow clot showing large, abnormal aggregate of early erythroid precursors. Also note dysplastic megakaryocytes (H&E stain, 200x).
Contributed by Zeba N. Singh, M.B.B.S., M.D.
Large atypical cells with anaplastic features.
Contributed by Julie Teruya-Feldstein, M.D.
Majority of T cells in the infiltrate are CD8 positive.
Contributed by Anamarija M. Perry, M.D.
Spindle or epithelioid cells with ovoid nuclei and prominent eosinophilic nucleoli surrounded by perinucleolar halos.
Contributed by Sabrina Croce, M.D., Ph.D.
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 59 chapters are listed, as demonstrated below.
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Here is a selection of new images from our free, online textbook:
Trephine bone marrow biopsy showing an interstitial neoplastic infiltrate at high power, with moderate cytoplasm, irregular nuclear contours and prominent nucleoli.
Contributed by Siba El Hussein, M.D. and Joseph Khoury, M.D.
Low power magnification shows a lobulated soft tissue tumor with mixed fibrous and myxoid areas located within subcutaneous tissue.
Contributed by David Suster, M.D.
CIC-DUX4 fusion tumor (DUX4, 10x), involving soft tissue of flank.
Contributed by Bradford Siegele, M.D., J.D.
Superficial and deep perivascular and periadnexal lymphocytic infiltrate (H&E, 40x).
Contributed by Kiran Motaparthi, M.D.
Myxoid changes (gray-blue areas) are visible in the ganglion wall on the right. The remaining wall is composed of dense pink collagenous stroma. The lining of the wall does not show epithelial cells.
Contributed by Serenella Serinelli, M.D., Ph.D.
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.
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Here is a selection of new images from our free, online textbook:
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.
Scanning magnification shows the dilated lymphatics in the submucosa of the small intestine (H&E, 2x).
Contributed by Haider A. Mejbel, M.D.
High power view of PGA showing small tubular glands with low cuboidal epithelium and bland nuclei.
Contributed by Supriya Srivastava M.D., Ph.D.
Nodular thyroid.
Contributed by Andrey Bychkov, M.D., Ph.D.
Anastomosing thin trabeculae of mildly atypical epithelioid and spindled cells within fibrous stroma.
Contributed by Borislav A. Alexiev, M.D.
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.
Here are just a few of this week’s new images from our free, online textbook:
Cellular fascicles of spindle cells with mild nuclear atypia in a fibrosclerotic stroma.
Contributed by Borislav A. Alexiev, M.D.
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.
Occasional cases (15%) have sinusoidal microthrombi (600x).
Contributed by Stephen M. Lagana, M.D.
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.
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