Pathology Playground: Crowd Unknowns
Below are pathology unknowns cases in which you can order immunostains and molecular studies. Choose your case, and when presented with a text box, begin typing the immuno or other study you'd like, and select it from the Autocomplete list. Enter your diagnosis to see if you're correct and see a presentation. If you want to upload your own cases, Login at the top right and go to the Dashboard. Watch a Youtube video on how to use the site and upload your own cases here.
Duodenal mass
31-year-old woman with large mass involving the stomach and duodenum. Endoscopic biopsies of duodenum are shown. Work up (including immunohistochemistry on tissue, flow cytometry, karyotype, FISH, and molecular), and flow cytometry guide are available under "specials to order".
Inguinal lymphadenopathy
69-year-old man with enlarged lymph nodes in neck and inguinal lymph nodes. He underwent inguinal lymph node biopsy. Work up (including immunohistochemistry on tissue, flow cytometry, karyotype, FISH, and molecular), and flow cytometry guide are available under "specials to order".
Mesenteric mass
79-year-old man presenting with abdominal pain and found to have left mesenteric mass. Needle core biopsy was obtained. Work up (including immunohistochemistry on tissue, flow cytometry, karyotype, FISH, and molecular), and flow cytometry guide are available under "specials to order".
Aggressive tumor
74-year-old man with abdominal pain, inguinal lymphadenopathy and mesenteric mass. Inguinal lymph node biopsy was performed. ##Note: Subclassification is required. Work up (including immunohistochemistry on tissue, flow cytometry, karyotype, FISH, and molecular), and flow cytometry guide are available under "specials to order".
