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...
#Pathology #PathologyOutlines #PathSky
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...
#Pathology #PathologyOutlines #PathSky
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
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
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...
#Pathology #PathologyOutlines #PathSky
Image Quiz!
What finding is demonstrated in this lung histology image from a case of sudden infant death syndrome (SIDS)?
(Continued in thread)
#Pathology #PathologyOutlines #Diagnosis
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
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
(Image Quiz, continued)
A. C4d0 (extensive positivity in the renal interstitium)
B. C4d0 (marked background staining of collagen)
C. C4d0 (no staining of peritubular capillaries)
D. C4d3 (diffuse positivity in > 50% of peritubular capillaries)
See link in comments.
#Pathology #PathologyOutlines
Dr. Nat Pernick, founder and owner of PathologyOutlines.com, believes businesses should embrace charitable activities as a core part of their mission. One way PathologyOutlines.com puts this commitment into action is through scholarships.
Info: buff.ly/xX7RfUD
#PathologyOutlines #Scholarships
📣 Tell us what you think! Please share feedback about our website via the brief survey linked in the comments.
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Image of the Week!
Contributed by: Serena Ammendola, M.D.
Textbook topic: CNS & pituitary tumors
Diagnosis: Melanoma
Textbook topic link: www.pathologyoutlines.com/topic/cnstum...
#Pathology #PathologyOutlines #PathSky
Will you be at USCAP in San Antonio next month? 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/owyLqDY
#USCAP2026 #USCAP #Pathology #PathologyConference #PathologyOutlines #PathSky
Case of the Month: A 50 year old man with decompensated hepatic cirrhosis due to alcohol use disorder and hepatorenal syndrome is being evaluated for a possible liver transplant. Pertinent laboratory values are shown on the Case page. (Continued in thread)
#Pathology #PathologyOutlines #Diagnosis
Image of the Week!
Contributed by: Debra L. Zynger, M.D.
Textbook topic: Adrenal gland & paraganglia
Diagnosis: Composite pheochromocytoma and paraganglioma
Textbook topic link: www.pathologyoutlines.com/topic/adrena...
#Pathology #PathologyOutlines #PathSky
Image Quiz! A 14 year old boy presents with a unilateral hyperpigmented plaque with irregular borders on the upper chest. The lesion is associated with increased coarse hair growth over the area. What is the most likely diagnosis?
(Continued in thread)
#Pathology #PathologyOutlines
From margin notes back then to a globally trusted resource today, it’s been an incredible 25-year journey for PathologyOutlines.com.
Explore our interactive timeline to see the milestones that shaped PathologyOutlines.com: buff.ly/sn8E9mh
#Pathology #PathologyOutlines #25thAnniversary #PathSky
Essay: “My Male Breast Cancer, Part 6”, by Dr. Nat Pernick
Part 6 of this series discusses Dr. Pernick’s subsequent drug therapy for male breast cancer.
Access here: buff.ly/gJjbgvc
Follow Curing Cancer Network: buff.ly/npW2JwB
#Cancer #CuringCancerNetwork #Pathology #PathologyOutlines #PathSky
Dr. Pernick started a new textbook on the Curing Cancer Network home page, titled "How Cancer Arises". There may be overlap with PathologyOutlines.com, but this textbook is being developed independently.
Info: buff.ly/9F3uFuM
#CancerResearch #CuringCancerNetwork #Pathology #PathologyOutlines
Image of the Week!
Contributed by: Maria Tretiakova, M.D., Ph.D.
Textbook topic: Prostate gland & seminal vesicles
Diagnosis: Seminal vesicles–adenocarcinoma
Textbook topic link: www.pathologyoutlines.com/topic/prosta...
#Pathology #PathologyOutlines #PathSky
We recently appointed several new editors to our Editorial Board! We welcome Dr. Anna Biernacka, Dr. Ashwini Kumar Esnakula, and Dr. Alexei Mikhailov to the Board.
Read about them here: buff.ly/quZQZ8n
Our Boards: buff.ly/JQSLJQp
#Pathology #Textbook #PathologyOutlines #PathSky
Be like Dr. Navarro; send us your favorite PathologyOutlines.com pic! We’d love to see your favorite PathOut moments, like selfies at our conference booth or featuring our merch! Selections to be shared on our social media. Send yours: comments@pathologyoutlines.com
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Image of the Week!
Contributed by: R. Peter Powell, M.D.
Textbook topic: Pancreas
Diagnosis: Duodenal neuroendocrine tumor
Textbook topic link: www.pathologyoutlines.com/topic/pancre...
#Pathology #PathologyOutlines #PathSky
(Image Quiz, continued)
A. Borderline mucinous tumor of the ovary
B. Borderline mucinous tumor of the ovary with microinvasion
C. Mucinous adenocarcinoma of the ovary
D. Mucinous cystadenoma
Answer linked in the comments.
#Pathology #PathologyOutlines #Diagnosis
Read our latest “What’s New in Pathology” newsletter.
January 2026 Issue: “What’s New in Molecular Genetic Pathology 2026: Emerging Biomarkers for Personalized Cancer Therapies” by Umberto Maccio, M.D., MSc., M.B.A.
Webpage: buff.ly/XAoEkz3
PDF: buff.ly/V4UfVNo
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Throwback Thursday ✨️ What year did you first connect with Dr. Pernick or PathologyOutlines.com at a conference? The first of these photos is from USCAP in 2005, and the others are from various conferences in 2010–2015.
#Pathology #PathologyOutlines #ThrowbackThursday
Image of the Week!
Contributed by: Aaron Auerbach, M.D., M.P.H.
Textbook topic: Bone marrow neoplastic
Diagnosis: Mast cell sarcoma
Textbook topic link: www.pathologyoutlines.com/topic/bonema...
#Pathology #PathologyOutlines
Essay: “How Lung Cancer Arises, Based on Complexity Theory” – Dr. Nat Pernick
Access here: buff.ly/gGAL0UC
Follow Curing Cancer Network: buff.ly/j5MuFKU
#Cancer #CancerResearch #CuringCancerNetwork #Pathology #PathologyOutlines
