Surgical notes

Lung carcinoid tumor ( neuroendocrine tumor) Feature: Nests of round cells separated with fibrous tissue Salt and Papper chromatin pattern of the cells

Bronchogenic carcinoma Features A_ adenocarcinoma B_ squamous cell carcinoma C_ small cell carcinoma D_ large cell crcinoma

Hisoplasmosis ( fungal infection) Feature: Histoplasma capsulation هذه الشريحة مش مهمه

Atypical pneumonia Feature: Inflammatory cell infiltrate( lymphocyte and plasma cells) in the interstitial lung tissue

Chronic pneumonia Features: Granulation tissue and fibrosis

Chronic pneumonia Feature: Gray hepatization of the lung

Acute pneumonia Feature: Inflammatory infiltrate with neutrophils in the alveolar wall and intralalveolar

Acute pneumonia Feature Red hepatization of the lung

Massive pulmonary embolism Features Large embolus inside the pulmonary artery

Diffuse pulmonary hemorrhage Features: The alveoli are filled with hemosidern laden macrophages ( called heart failure cells)

TB Features: Caseating granuloma

Hypersensitivity pneumonitis ( allergic alveolitis) Features Granuloma and inflammation of the alveolar wall

Multinucleated gaint cell contain asteroid bodies Feature of Sarcoidosis

Sarcoidosis Features: _Non casiating granuloma _ asteroid bodies

Pneumoconiosis Features Undigestable material surrounded by fibrosis and granuloma

Cryptogenic oranizing pneumonia ( COP) Features: Features of inflammation also fibrous tissue in the alveolar space ( fibroplastic plug) this is the characteristic feature

Usual interstitial pneumonia( UIP) Features: Sites of inflammation and sites of active fibroastic fossae ( specific feature of this disease)

Usual interstitial pneumonia ( UIP) or Non specific interstitial pneumonia (NIP) Feature: Features of inflammation ( no fibrosis : early in the inflammatory stage)

Bronchiectasis Feature Cavities filled with pus

Chronic bronchitis Features: _features of inflammation ( edema in the submucosa , neutrophils infiltrate) _ increased thickness of the wall _ hyperplasia of the glands _ normal smooth muscles