I created algorithms for classifying MDS and AML according to the 2017 WHO revision. Attached are the most recent versions (updated October, 2018).

A rare sarcoma worthy of sharing. Sclerosing epithelioid fibrosarcoma. MUC4 IHC shown. First described by my mentor Dr. Meis in 1995. Her more recent study of 51 cases emphasizes its potential for aggressive behavior ➡️ journals.lww.com/ajsp/Fulltext/… #BSTpath #sarcoma

Tumor emboli within lymph node capsule only . Is it involvement or not? Opinions pls. Vidya Monappa Tristan Rutland MBBS FRCPA IFCAP Dr. Luca Jayanthi Kamashi Henry YANG AKINA

The story of 1 day in the life of a #hematopathologist… I’m too exhausted to make a fancy educational thread but here are some amazing 🔬 pics for your viewing pleasure. I diagnosed all cases in one day 🤯 only at @MDAndersonNews Happy almost weekend people 🥂 #hemepath 🧵 1/n

NGS identified an EWSR1-NR4A3 fusion. Final diagnosis: extraskeletal myxoid chondrosarcoma #BSTpath

PLEUROPULMONARY BLASTOMA #pedipath #lungpath - Rare, primitive primary neoplasm. Most common primary pulmonary malignancy in childhood - Types: IR (cystic + no neoplastic cells), I (cystic + cells) II (nodules within cysts) and III (solid📷) - #DICER1 mutations 🧵w/ other tweets:

tweets, and more, now being archived at: pathologue.com

Bladder mass A shocking case 😲 #pathology #GUpath

Osteoid osteoma/Osteoblastoma: 📏 OO<2cm/OB≥2cm 👩‍⚕️ Most <25 y/o, ♂️>♀️ (2:1) 🦴 Lytic, w/ target sign 🔬 Woven bone lined by plump osteoblasts & scattered giant cells 🔬 Loose fibrovascular stroma 🧬 Rearrangements: FOS > FOSB ➡️ Learn more at: kikoxp.com/posts/9241 #bstpath

Adult, face lesion—some clues to site here. #dermpath #pathology #dermatology #dermtwitter

NUT Carcinoma. Undifferentiated tumor cells with areas of abrupt keratinization. Nuclear expression of NUT with a speckled pattern. NGS: NSD3::NUTM1 #ENTpath

FIBROUS DYSPLASIA. NB: spindle-stellate cells; eosinophilic cytoplasm; monomorphic ovoid nuclei; irregularly-shaped woven bone trabeculae with incomplete osteoblastic rimming.

MOLECULAR ALTERATIONS IN MENINGIOMA #neuropath #MedEd #PathTwitter #MedTwitter #meningioma #molecularpathology

Unusual and super rare case: What is your diagnosis? Older woman Stain is NKX3.1, also positive for PSA #GUPATH #GYNPATH #pathology #PathTwitter

Just Out! Check our review on adenoid cystic carcinoma and perspectives on future treatment options. #headandnecktumors #raretumors #ACC Felippe Lazar RenataFerrarotto @MDAndersonNews

An educational thread on ring sideroblasts... Thanks to all who voted in my poll: x.com/KyleBradleyMD/…

68 yr old male, Left nephrectomy. Any DDs on gross ? International Society of Urological Pathology krithika elangovan @Jazzopath1 libin babu GU Pathology Society (GUPS) @Ranju35760436 Karnataka Chapter-IAPM (KCIAPM)

#GYNpath🧩for the #pathresidents (seasoned folks perhaps hold off a bit!): adult F, endometrial curettage done for bleeding 🔬🧐❓

Lichen Planus and the perfect Max-Joseph space. Numerous PAS+ civatte bodies present (apoptotic basal keratinocytes). Other features in photo below. #dermpath #dermatology #pathology #education