PathologyOutlines.com is a free, no-registration website with a unique, comprehensive, regularly updated textbook of surgical and clinical pathology, and more!

Joined July 2009
1,210 Photos and videos
Image of the Week! Submitted by: Yuri Musizzano, M.D. Directory Profile: pathologyoutlines.com/direct… Subspecialty: Placenta Diagnosis: Chronic villitis of unknown etiology with avascular villi #PathTwitter #PathologyOutlines
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Our office is closed today, December 25th. We will return to regular business hours tomorrow, December 26th. ✨ Happy Holidays! #HappyHolidays #PathTwitter #PathologyOutlines
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Image Quiz! A 41 year old woman underwent a core needle biopsy for a 3 cm breast mass discovered on her first screening mammogram. The lesional spindle cells show the CD68 immunostaining pattern seen below; they are also positive for ALK and negative for SMA and desmin. (Cont.)
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Which of the following is the most likely diagnosis? A. ALK positive histiocytosis B. Erdheim-Chester disease C. Extranodal Rosai-Dorfman disease D. Inflammatory myofibroblastic tumor E. Juvenile xanthogranuloma Answer: buff.ly/3P3clm3 #PathTwitter #PathologyOutlines

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Mark your calendar for the Kameda Pathology Seminar, featuring Dr. Nat Pernick as a guest speaker, on December 25 at 18:00 JST! Participate online from anywhere or attend in person in Tokyo. Register for online or onsite attendance: buff.ly/49OSeBC #Pathology #Tokyo
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View our new testimonials via the link in the comments! We love hearing how our resources help people at all stages of their pathology careers. We welcome you to comment here or use the tutorial on the testimonials page to record your testimonial video. #PathTwitter #CAP24
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Case of the Month: A 32 year old woman with a clinical history of complex partial type seizures underwent a brain MRI, which showed a 2 cm solid cystic lesion without contrast enhancement in the left temporal lobe.
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Although the lesion remained stable over a 1 year follow up, the patient underwent surgery due to an increased frequency of seizures. The lesion was completely removed; the patient is in good health with no evidence of recurrence 1 year after surgery. What's your diagnosis?
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Image of the Week! Submitted by: Asha Peedikayil Punnoose, M.D. Directory Profile: buff.ly/4iHMVb1 Subspecialty: Pediatric Diagnosis: Nephroblastoma #PathTwitter #PathologyOutlines #PediPath
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Thank you for being part of our directory, @ashappunnoose86!
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The VENTANA CLDN18 RxDx Assay is the first and only companion diagnostic FDA-APPROVED to identify CLDN18 positive patients with mG/GEJ cancer. Learn more about the newest companion diagnostic from Roche Diagnostics at buff.ly/3Z5uciq. #CLDN18 #VYLOY
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✨ The PathologyOutlines.com staff wishes you a happy, healthy holiday season! #PathTwitter #PathologyOutlines #HappyHolidays
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Dr. Thomasson was appointed to the Board (Transfusion Medicine). He is Asst. Prof. of Pathology & Laboratory Medicine at BU Chobanian & Avedisian School of Medicine, Assoc. Dir. of BMC's residency program, and Med. Dir. of BMC's Blood Bank & Transfusion Service. (See comments)
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