I'm painting today 🤗 But I still remember my cases😅. Today I also saw this Hashimoto case. What is this cell structure that resembles glomerulation?

1. Organ 2. Dx?

Weekend and Eid vacation so time for an easy #PathGame 🎱 Created this cellblock of EUS-FNB material obtained from a lower esophageal / cardia submucosal swelling of < 3 cm. I made my mind on HE, and ordered 3 immunostains for confirmation ; alphabetically CD34, KIT and SMA 🤓

Thymoma is an epithelial neoplasm Best IHC for thymoma: CK AE1/AE3 and TdT Why TdT? -TdT stains thymic lymphocytes. -Thymoma is a tumor that try to resemble how normal thymus grows, that's why it carries TdT positive lymphocytes and form lobules Thymomas vs thymic carcinomas

Skin lesion on lower back of adult. Your diagnosis? Answer: kikoxp.com/posts/14392. Video: kikoxp.com/posts/14144. #pathology #pathologists #pathTwitter #dermpath #dermatology #dermatologia #dermtwitter

This gastric adenoma has foveolar differentiation and focal high grade dysplasia. It is seen in pristine uninflamed mucosa. It could be argued that the lesion is atop a fundic gland polyp. This type of lesion is associated with familial adenomatous polyposis (FAP). #UMiamiPath

Plasma cell myelomas with ___ often express B-cell markers like CD19 a) t(11;14) b) t(4;14) c) t(14;16) d) del(17p) #HemePath #PathTwitter #Pathology hint: also (+) Cyclin D1 by IHC

#Gynpath #surgpath #pathresidents An 8cm ovarian mass was removed from a 40 year old woman. Poll in reply.

⚠️ #pathology #pathologist #dermpath #bstpath #mdplus

#everydaykidney IHC clear cell carcinoma, papillary renal cell carcinoma and clear cell papillary renal cell tumor Dr. Williamson CCMPS #GUpath #pathology #pathologists #pathtwitter #NIPPathX #pathresidents

Lipoblastoma •Benign neoplasm of embryonal white fat •May be local or diffuse (lipoblastomatosis) •75-90% occur<3y/o •Trunk+extremities are most common sites •Size usually 2-5 cm •🔬lobulated; adipocytes w/ variable maturation; separated by fibrovascular septae •🧬PLAG1

Multiple papules on trunk & extremities of adult. Diagnosis? More pics: kikoxp.com/posts/17926 Answer: kikoxp.com/posts/17925 #pathology #pathologists #pathTwitter #dermpath #dermatology #dermatologia #dermtwitter

A nice example of osteoblastic rimming in osteoid osteoma! #BSTPath #PathTwitter #PathX

#TeachingPoints There is a histopathologic spectrum to the casts that can be seen in light chain cast nephropathy. A portion of this spectrum is shown in these photomicrographs of renal biopsies stained with PAS. All three of these cases had casts with light chain restriction by

Ovarian Actinomycosis following IUCD use ... Patient is still suffering from multiple abdominal fistula... needs surgery!

Ovary - what's your diagnosis? Topic link: pathologyoutlines.com/topic/ovarytum… Images contributed by Fatemeh Ghazanfari Amlashi, M.D., Tamara Kalir, M.D., Ph.D., and AFIP (See thread below for additional image) #Cancer #CancerResearch #CuringCancerNetwork #Pathology

70 yo M. Paratesticular mass. Your diagnosis? Answer: kikoxp.com/posts/8266 Sample #pathology report template: kikoxp.com/posts/8244 Video: kikoxp.com/posts/7911 #BSTpath #pathologists #pathTwitter #dermpath #dermatology #dermatologia #dermtwitter

Proliferative fasciitis + Proliferative myositis • Former occurs subcutaneously often upper extremity; latter in skeletal muscle often trunk • Grow rapidly+in middle-aged adults •🔬both have large ganglion-like cells+plump (myo)fibroblasts • Rarer than nodular fasciitis

Epithelioid Hemangioendothelioma •Malignant vascular neoplasm •Cords/nests of epithelioid cells against myxohyaline stroma •Can occur in any organ but more common in soft tissue, lung, liver •CD31, 34,D2-40, FLI1,ERG + •Cytokeratin-/+ •👀for blister cells⬇️ #pathagonia

Progressive Transformation of Germinal Centers (PTGC) •Characterized by chronic lymphadenopathy w wide age distribution •🔬Expansile follicles w mantle zone expanding into+disrupting germinal center •Benign but may be ass w/ NLP Hodgkin's Lymphoma #pathagonia #heme #pathx