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Monday, January 23, 2012

Pathology OSPE(2010) 4th Year MBBS

1- Disruption of thyroid follicles , with extravasation of colloid leading to a PMN infiltrate.
2- subacute granulomatous thyroiditis
3- viral infection



                                                                           HODGKIN LYMPHOMA 


graves disease
TSH

                           ‎1. bronchioalveolar carcinoma 2. lepidic growth which grows along pre existing structures without distorting the alveoli                              3. muscle weakness due to antibodies against neuronal calcium channels

obstructive jaundice,,alk po4ase raised,ast alt,albumin

                              Fibroadenoma
                            types are giant , intracanlicular n pericanalicular
                               formalin

                                                                    MPGN 
                            Immunofluorescence staining
                               three types : Minimal change, rapid progressive n membranous


Polyp .. its malignant lesion 
3 types are tubular , villous n tubulovillous



1.Protein loss greater than 3.5 g in nephrotic

                                                               ‎1 ) -single layer of Tall columnar epithelium , they are ciliated n some part are dome                                     shaped secretary cells .
- Psommoma bodies 
2) Serous type 
3) Mucinous n endometroid
                                                                       
                                                                       
Infarct 4 factors: occlusion of an artery (atherosclerosis) , thrombosis, embolus, smoking, age, sex, etc 3. 5hrs-early coagulative necrosis, edema, hemorrhage

‎1- Atherosclerotic plaque 
2- atherosclerotic plaque penetrate the intramycardial branches of coronary arteries n severe occlusion leads mycordial injury. 
3- it composed of cells inlude SMCs, macrophages n Tcells . ECM include collagen , elastic fiber n proteoglycans, Intracellular n extracellular lipids . Superficial layer is Fibrous cap n deep to it is necrotic core


1. lesser curvature, 2. gastric ca confined to mucosa and submucosa regardless of the mets, 3. gastric ca met subcutaneous nodule in the periumbilical region

1.Diabetic ketoacidosis2. metabloic acidosis

bronchopneumonia

leiomyoma


 ‎1- seminoma cells : large , round to polyhydral cells wth distinct cell membranes , clear cytoplasm n central round nuclei with infrequent mitosis
2- Seminoma
3- Non differentiated totipotential germ cell tumor



Polcythemia vera 
bone marrow biopsy n level will b low



1- Gaint cell tumor of bone 
2- Malignant 
3- GCTs are large, purely lytic n eccentric, the overall cortex is destroyed producing a bulging soft tissue mass. 
4-Reactive macrophages n mononuclear celss






endometrial carcinomaSimple hyperplasia without atypia , Complex hyperplasia m atypical hyperplasiap53


CML




‎1- malignant cells disrupting the norml epidermal barrier
2- paget disease of nipple 
3- DCIS


peptic ulcer diagnoses, syndrome zollinger ellison syndrome complication: bleeding, perforation, obstruction

GIANT CELL ARTEITIS


restrictive lung diseases"honeycomb" 
1- cut surface shows fibrosis ( firm, rubbery white areas)
2- Idiopathic pulmonary fibrosis n pneumoconiosis 
3-Interstitium in the alveolar wall



Ulcerative colitis : The pale irregular regions comprise ulcerations, n there is also pseudopolyp formations.
UC involve rectum , sigmoid n may involve entire colon


post-infectious glomerulonephritis
1. proliferation of mesingium, epithelial cells and infiltration with neutrophils...
2. Streptococcus with M protein
3. INCREASED ASO TITER, rbc cast in urine




Iron deficency anemia 
causes : low dietry intake , malabsorption n increase demand or chronic blood loss 



meningioma 

papillary carcinoma


pernicious anemia

"clear cell carcinomas"
chromophobe has bst prognosis
.

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