Dr. Ahrendsen proudly sported a PathologyOutlines.com hat on his post-USCAP adventures! 🧢 Do you have a favorite PathOut conference booth selfie or photo featuring our merch? 📷 Send it to comments@pathologyoutlines.com. Select photos may be shared on our social media.
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We recently appointed two new editors to our Resident / Fellow Advisory Board. Welcome, Dr. Joshua Goldfaden & Dr. Audrey McCloskey!
Read about them: pathologyoutlinesblog.wordpress.com/2026/04/17/1...
Our Boards: www.pathologyoutlines.com/authors
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Thanks for connecting with us at #USCAP26! The photos featured here are the PathologyOutlines.com Editorial Breakfast and our team who manned our booth. To see more USCAP 2026 pics, visit our other social media platforms, which are linked at the bottom of our site.
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Image of the Week!
Contributed by: Aliya N. Husain, M.D.
Textbook topic: Lung
Diagnosis: Carcinosarcoma, lung
Textbook topic link: www.pathologyoutlines.com/topic/lungtu...
#Pathology #PathologyOutlines
www.pathologyoutlines.com/topic/larynx...
Image Quiz! The tumor pictured is the most common salivary gland malignancy in the larynx. What is the diagnosis?
A. Adenoid cystic carcinoma
B. Epithelial myoepithelial carcinoma
C. Pleomorphic adenoma
D. Polymorphous adenocarcinoma
Answer linked in the comments.
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Image of the Week!
Contributed by: Elizabeth Montgomery, M.D.
Textbook topic: Esophagus
Diagnosis: Well differentiated neuroendocrine tumor of esophagus
Textbook topic link: www.pathologyoutlines.com/topic/esopha...
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We recently posted our 2025 Jobs Report, which highlights trends in locations, certification requirements, and subspecialties. Read the full summary at www.pathologyoutlines.com/pathjobs2025....
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🌱 Curious about PathologyOutlines.com's origins? Learn how a personal project that began at a camp 25 years ago grew into a comprehensive, 60-chapter, open-access pathology textbook with 5 million monthly page views.
🔎Interactive timeline: buff.ly/3wgsQVp
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Image of the Week!
Contributed by: Andrew Bernhisel, M.D.
Textbook topic: bone marrow neoplastic
Diagnosis: acute monocytic leukemia
Textbook topic link: www.pathologyoutlines.com/topic/leukem...
#Pathology #PathologyOutlines
www.pathologyoutlines.com/topic/cnstum...
(Image Quiz, cont.)
A. Cells with clear cytoplasm due to glycogen accumulation
B. Frequent psammoma bodies
C. High mitotic activity and necrosis leading to CNS WHO grade 3 classification
D. Strong desmoplastic reaction with abundant collagen deposition
See comments.
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Image Quiz!
The histopathological image shown represents a clear cell meningioma. Which of the following features is characteristic of this tumor subtype?
(Image Quiz continued in thread)
Congratulations to the winners of the 2025 PathologyOutlines.com Best Author Award! This was a competitive award; we greatly appreciate the contributions of the winners and our other diligent 2025 authors.
List of recent and past winners: buff.ly/evugr93
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Did you read Dr. Ivan Damjanov’s recent interview with Dr. Nat Pernick, founder of PathologyOutlines.com, in The Pathologist?
Access here: pathologyoutlinesblog.wordpress.com/2026/03/10/1...
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Image of the Week!
Contributed by: Raul S. Gonzalez, M.D.
Textbook topic: Stomach
Diagnosis: Hereditary diffuse gastric cancer-signet ring type
Textbook topic link: www.pathologyoutlines.com/topic/stomac...
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We're at USCAP! Visit us at Booth 656 until March 25, 2026. Dr. Nat Pernick will be at our booth today (Monday) and tomorrow (Tuesday).
#USCAP2026 #USCAP #Pathology #PathologyConference #PathologyOutlines #PathSky
Will you be at USCAP in San Antonio? Visit us at Booth 656, March 23–25, 2026! Dr. Nat Pernick will be at our booth on Monday and Tuesday (23rd–24th).
See what’s in store at our booth: buff.ly/IzJdSK1
See you next week!
#USCAP2026 #USCAP #Pathology #PathologyOutlines #PathSky
www.pathologyoutlines.com/caseofweek/c...
She was found to have colonic and ileal perforations and underwent a right hemicolectomy. What is your diagnosis?
Follow the link in the comments for the case!
#Pathology #PathologyOutlines #Diagnosis
Case of the Month: A 30 year old woman with a history of end stage renal disease received a bilateral kidney transplant. Two weeks post transplantation the patient presented to the ER with severe abdominal pain and tachycardia.
(Summary continued in thread)
Image of the Week!
Contributed by: Aisha Hassan Memon, M.B.B.S.
Textbook topic: CNS & pituitary tumors
Diagnosis: Metastatic breast carcinoma
Textbook topic link: www.pathologyoutlines.com/topic/cnstum...
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www.pathologyoutlines.com/topic/forens...
(Image Quiz, continued)
A. Acute bronchopneumonia
B. Expansion of the mucosa associated lymphoid tissue (MALT)
C. Hyaline membranes reflecting bronchopulmonary dysplasia (BPD) in a premature baby
D. Normal features
Answer linked in the comments.
Image Quiz!
What finding is demonstrated in this lung histology image from a case of sudden infant death syndrome (SIDS)?
(Continued in thread)
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Will you be at USCAP in San Antonio? Visit us at Booth 656, March 23–25, 2026! Dr. Nat Pernick will be at our booth on Monday and Tuesday (23rd–24th).
See what’s in store at our booth: www.pathologyoutlines.com/pathoutconfe...
#USCAP2026 #USCAP #Pathology #PathologyOutlines #PathSky
Image of the Week!
Contributed by: Ammar Aljefri, M.B.B.S.
Textbook topic: Stains & CD markers
Diagnosis: Metastasis of endometrioid endometrial adenocarcinoma in omentum (L1-CAM)
Textbook topic link: www.pathologyoutlines.com/topic/stains...
#Pathology #PathologyOutlines #PathSky
Who's your favorite trailblazing woman in pathology–contemporary or historical? Tell us in the comments!
In honor of Women’s History Month, we acknowledge women who were pathology pioneers.
See if you're familiar with these remarkable individuals: buff.ly/CAHzhX1
#WomensHistoryMonth #Pathology
Image of the Week!
Contributed by: Dre Barnachea, M.D.
Textbook topic: Skin melanocytic tumor
Diagnosis: Sentinel node biopsy-melanoma
Textbook topic link: www.pathologyoutlines.com/topic/skintu...
#Pathology #PathologyOutlines #PathSky
www.pathologyoutlines.com/topic/stains...