We have posted updates of the following topics: Breast > Infectious > Cystic neutrophilic granulomatous mastitis by Jessie M. Wu, M.B.Ch.B., Gulisa Turashvili, M.D., Ph.D. Topic summary: Inflammatory process of the breast usually due to Corynebacterium species. Most patients are women, parous or currently pregnant. Rare, with at least 141 cases reported since 2002. Most … Continue reading 24 September 2020: Textbook Updates
Authors: Jayalakshmi Balakrishna, M.D., Elaine S. Jaffe, M.D. A 20 year old man presents with an enlarged painless cervical lymph node he has had for the past 6 months. An excisional biopsy is shown in the image. The neoplastic cells are positive for CD45 and CD20 and are negative for CD15 and CD30. Which of … Continue reading 23 September 2020: Image Quiz #39
We have posted updates of the following topics: Anus & perianal area > General > WHO classification by Raul S. Gonzalez, M.D. Topic summary: WHO classification of tumors of the anal canal. Currently on 5th edition, published in 2019. Based on histologic appearance, not molecular characteristics. Lymph nodes & spleen, nonlymphoid > Lymph nodes-infectious / … Continue reading 21 September 2020: Textbook Updates
We are pleased to announce the appointments of Dr. Gulisa Turashvili and Dr. Kyle Annen to our Editorial Board. Welcome to the Editorial Board, Dr. Turashvili and Dr. Annen!
We have posted updates of the following topics: Bone marrow neoplastic > Bone marrow – neoplastic myeloid > Recurrent genetic abnormalities > AML (megakaryoblastic) with t(1;22)(p13.3;q13.1) by Hans Magne Hamnvåg, M.D., Kamran M. Mirza, M.D., Ph.D. Topic summary: Rare type of acute myeloid leukemia (megakaryoblastic) with a megakaryocytic phenotype (AMLK). Occurs most commonly in infants … Continue reading 17 September 2020: Textbook Updates
Thanks to Dr. Tanner Storozuk and Dr. Jennifer A. Bennett, University of Chicago, Illinois (USA), for contributing this case and writing the discussion. Clinical history: A 34 year old woman was found to have atypical glandular cells of undetermined significance on Pap smear. She underwent a cervical biopsy and the results are depicted below. She had a hysterectomy … Continue reading 16 September 2020: Case of the Month #495
There are two major news updates about libraries on PathologyOutlines.com, which will be discussed below. To find these libraries, visit PathologyOutlines.com and click on “Libraries” in the navigation bar as illustrated below: 1. COVID-19 Library We have merged the COVID-19 news page into our COVID-19 Library. We recently posted these 2 news items: 2. Roche … Continue reading 11 September 2020: Libraries on PathologyOutlines.com
We have posted updates of the following topics: Hematology > Hemoglobinopathies > Hemoglobin C disease by Daniel D. Mais, M.D. Topic summary: Homozygosity for C (βC) allele of hemoglobin beta chain (HBB) gene. Diagnosed by electrophoresis or high performance liquid chromatography (HPLC). Prevalence of hemoglobin C gene in Black Americans approximately 2%. Has poor solubility, … Continue reading 10 September 2020: Textbook Updates
Author: Zachary Dong, M.D., Kimberley J. Evason, M.D., Ph.D. A 72 year old man presented with jaundice. CT scan showed dilatation of the left bile duct, which contained a papillary lesion. An image from the resection specimen is shown. Which of the following is true about this entity? Select an answer: A. The epithelium is most … Continue reading 8 September 2020: Image Quiz #38
We have posted updated reviews of the following topics: Cervix > Squamous cell carcinoma > Squamous cell carcinoma and variants by Gulisa Turashvili, M.D., Ph.D. Topic summary: An invasive epithelial tumor composed of neoplastic cells with varying degrees of squamous differentiation. Nearly all cases are associated with high risk human papillomavirus (HPV) and arise from … Continue reading 3 September 2020: Textbook Updates
We have posted updated reviews of the following topics: Companion diagnostic testing > Drugs of interest to pathologists > Veliparib by Y. Albert Yeh, M.D., Ph.D. Topic summary: A poly (ADP-ribose) polymerase (PARP) inhibitor blocks PARP1 and PARP2, thereby preventing repair of DNA damage. In 2016, U.S. Food and Drug Administration awarded orphan drug designation … Continue reading 31 August 2020: Textbook Updates
Here’s what’s new on PathologyOutlines.com this week: 1. Chapter Mergers We have now merged the Lung nontumor and tumor chapters into a single Lung chapter. Other recent chapter mergers include Colon, Liver and Breast. 2. Promotional Email Contest Winner #2 Christina Arnold, who works at the University of Colorado in Denver, has won the second … Continue reading 28 August 2020: Weekly Roundup #22
Check out our Industry News page. We have updated it with the following article from: AdvantEdge Healthcare Solutions – Proposed Rule – 2021 Medicare Physician Fee Schedule On August 3rd, the Centers for Medicare and Medicaid Services (CMS) published the 2021 Medicare Physician Fee Schedule, which includes CMS only allowing a comment period of 30 … Continue reading 27 August 2020: Industry News Updates
We have posted updated reviews of the following topics: Bladder, ureter & renal pelvis > Urothelial neoplasms-noninvasive > Urothelial papilloma by Judy Sarungbam, M.D. Topic summary: Papillary urothelial neoplasm characterized by delicate fibrovascular cores lined by urothelium of normal thickness and cytology. Usually presents de novo, also rarely seen in patients with other prior urothelial … Continue reading 27 August 2020: Textbook Updates
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