Gastrointestinal stromal tumor

Slides:



Advertisements
Similar presentations
Two examples of incised wounds
Advertisements

Complex atypical hyperplasia of the endometrium
Abdominal aortic aneurysm (AAA or "triple A")
An inflamed diverticulum with associated bleeding (black arrow) seen on colonoscopy. (Used with permission from Dr Nicola Simmonds, Luton and Dunstable.
Large cell undifferentiated carcinoma of lung
Anatomy of the breast (diagrammatic sagittal section)
Calcific aortic stenosis
Desmoplastic small round cell tumor
Pathophysiology of esophageal reflux disease
Coronal magnetic image (T1) of a large vena caval tumor thrombus (long arrows) in a patient with renal cell carcinoma. Thrombus extends just to entrance.
(A) Multiple sigmoid diverticuli (white arrows) with linear tract containing air outside the bowel lumen consistent with a fistula (black arrow) as a complication.
Tenosynovial giant cell tumor Left low power view shows a lobulated tumor mass with lobules divided by thick collagen fibers (left, low-power view). High.
Normal gastric mucosa. (A) The epithelial component of the gastric mucosa consists of surface foveolar epithelium that is connected to the deep secretory.
Diagnostic algorithm for normocytic anemia.
Angiosarcoma. (A) The dermis has been largely replaced by highly atypical cells in this patient with angiosarcoma. (B) Malignant cells form bizarre vascular.
Pathophysiology of alcoholic liver disease
Papillary serous carcinoma of the ovary
Abnormal intracellular accumulations: (A) Fatty change in liver (alcoholic steatosis): Tissue processed for H&E staining (lipid extracted). (Inset): Frozen.
Radiograph of a giant cell tumor of the thumb
Various developmental diverticulitis of the small bowel
(Figure 1–12c, with permission, from Dr Moise Bendayan, Departments of Pathology and Cell Biology, University of Montreal, Montreal, Canada.) Source: Chapter.
Primary biliary cirrhosis
Chronic hepatitis C infection
Ulcerative colitis. Note the continuous segment of mucosal erythema extending from the distal aspect of the specimen (right of image). This pattern of.
Midsagittal section through the brain of a patient with a brain stem tumor. Histologic findings showed the tumor to be an ependymoma. Source: Discussion.
Patterns of ductal carcinoma in situ (DCIS)
Overview of eicosanoid synthesis: Some anti-inflammatory eicosanoids use parallel pathways substituting dihomo-gamma-linolenic acid (DGLA), a derivative.
Jason Back, MD, Joshua Jeanty, Steve Landas, MD 
Pancreatic lobule. Grossly and microscopically normal pancreatic tissue has a lobular architecture. The majority of the lobule is composed of acinar tissue.
CMMl. PB smear (A, Wright stain, ×600)
Metastatic colon cancer
Meningioma. A, Meningiomas are dural-based neoplasms, frequently located at the cerebral convexities. While most meningiomas do not invade, the tumor can.
Cytomegalovirus (CMV) esophagitis
(A) Region of esophagus demonstrating Barrett esophagus: The normal squamous epithelium (left margin of figure) is replaced by specialized columnar epithelium.
Columnar cell lesions and atypical ductal hyperplasia
Planar scintigram obtained after hepatic arterial injection of Tc-99m labeled MAA shows radionuclide activity in the liver, particularly the liver tumor.
Invasive breast carcinoma
Array technology permits simultaneous quantification of dozens to millions of analytes. In the array-based rtPCR panel depicted here, RNA is extracted.
Percutaneous access of a gas distended stomach with a needle (left arrow). Notice opacification of the stomach rugal folds (right arrow) with contrast.
Papillary renal cell carcinoma
Ductal carcinoma in situ (DCIS)
This defibrillator device has been set to synchronized “SYNC” mode
Internal hemorrhoids. (Used, with permission, from John Cello, MD.)
Marrow production levels following iron dextran injection
Coronal color Doppler ultrasound image of the posterior chest showing a large multicystic mass in the left lung (arrows). The aorta is seen, and it does.
SBO from ventral hernia
Axial CT view of a ventral hernia with incarcerated transverse colon (arrow). Note the defect in the fascia. Source: HERNIAS, Acute Care Surgery: Imaging.
Lymphoma. Malignant lymphomas may occur in the brain, either as primary lesions or as secondary (metastatic) lesion in patients with systemic lymphoma.
Well to moderately differentiated squamous cell carcinoma
Electrical burn on the foot of an individual who came into contact with a source of high voltage. There were corresponding burns on the sock and shoe,
Cut-away view of a modern MRI machine. Please see text for description. Source: Overview of Diagnostic Modalities and Contrast Agents, Introduction to.
A. Use of athletic tape to make an extension block for the wrist. B
Ischemic colitis. This example of ischemic colitis shows mucosal hemorrhage, necrosis of the superficial portions of the crypts, and lamina propria hyalinosis.
Invasive colonic adenocarcinoma
Carcinoid. Coronal CT image shows a central mesenteric mass (arrow) with spiculated margin and central calcifications representative of carcinoid tumor.
Anatomy of the colon. (A) Representation of the anterior portion of the colon. The right and left colic flexures are commonly referred to as the hepatic.
The straight leg knee immobilizer brace
Ulcerative colitis. White exudate is present overlying an abnormal colonic mucosa that has lost its typical vascular pattern. Source: Gastrointestinal.
World Health Organization (WHO) three-step ladder oral analgesic program for managing cancer pain. Source: Chapter 48. Pain Management and Symptom Control,
[From: Galli : et al: Emergency Orthopedics: The Spine
Iron deficiency anemia
Photomicrograph of bone biopsy with metastatic prostate adenocarcinoma
Follicular cysts. (A) Clinical presentation of follicular cysts
Seborrheic keratosis. A, Seborrheic keratosis has a nodular, “stuck-on” gross appearance. B, Microscopically, the tumor is composed of basaloid cells associated.
Clinical and pathologic effects of hepatocellular failure, which commonly results from conditions associated with acute or chronic necrosis of liver cells.
Acute viral hepatitis. Acute viral hepatitis is most commonly characterized by lymphocyte predominant inflammatory infiltrates and foci of hepatocyte injury.
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Presentation transcript:

Gastrointestinal stromal tumor Gastrointestinal stromal tumor. This is an example of the spindle cell subtype. Perinuclear vacuoles (arrow) are frequently seen in this subtype of GIST. Source: Pathology of the Gastrointestinal Tract, Pathology: A Modern Case Study Citation: Reisner HM. Pathology: A Modern Case Study; 2015 Available at: http://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1569/rei_ch9_f019.png&sec=95969851&BookID=1569&ChapterSecID=95969741&imagename= Accessed: December 27, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved