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THE LUNG

The Lung. EmbryologyBronchial systemAlveolar systemAnatomyLobesFissuresSegmentsBlood supply. DISEASES OF THE LUNG . CongenitalAgenesisHypoplasiaCystic adenomatoid malformationPulmonary sequestrationLobar emphysemaBronchogenic cyst. Infectious Lung AbscessCausesClinical FeaturesCopio

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THE LUNG

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    1. THE LUNG

    2. The Lung Embryology Bronchial system Alveolar system Anatomy Lobes Fissures Segments Blood supply

    3. DISEASES OF THE LUNG Congenital Agenesis Hypoplasia Cystic adenomatoid malformation Pulmonary sequestration Lobar emphysema Bronchogenic cyst

    4. Infectious Lung Abscess Causes Clinical Features Copious production of foul smelling sputum Investigation C X R

    5. Treatment Abx Drainage Internal External Pulmonary resection Indications Failure of medical RX Giant abscess ( >6cm) Haemorrhage Inability to R/O carcinoma Rupture with resulting empyema Type of Resection Lobectomy

    6. Bronchiectasis Def Bronchial dilatation Cause Congenital Infection Obstruction Clinical Features Cough Dyspnea Haemoptysis (50%) Clubbing

    7. Investigation Bronchogram CT Bronchoscopy Treatment Medical Resolve most cases Surgical Failure of medical Rx Patient with localized disease

    8. Tuberculosis 30,000 new cases occur annually in U.S.A Cause Pulmonary Extra-pulmonary Investigation C X R

    9. Treatment Medical Surgical Failure of medical Rx Destroyed lobe or lung Pulmonary haemorrhage Persistent open cavity with + ve sputum Persistent broncho pulmonary fistula

    10. Aspergillosis Cause Aspergillus fumigatus, A. niger Mode of Transmission Forms Allergic Saprophytic Invasive Saprophytic form C-F Aspergilloma Chronic productive cough Haemoptysis (patient with preexisting Disease).

    11. Investigations Skin test Sputum Biopsy (Invasive) C X R Treatment Medical Surgical Indications A significant aspergilloma Haemoptysis Type of resection Segmentectomy Lobectomy Pneumonectomy

    12. Hydatid cyst Cause Echinococcus granulosus Diagnosis Treatment

    13. Tumor Benign Malignant Primary Secondary

    14. Primary lung carcinoma Incidence Risk Factor Smoking Others Pathology Adenocarcinoma Squamous cell carcinoma Large cell carcinoma Small cell carcinoma NSCLC vs. SCLC

    15. Clinical Features Asymptomatic Symptomatic Lung Surrounding structures Rec. L. nerve Oesophagus C8, T1 nerve Sympathetic Pleure SVC

    16. distal (para-neoplastic syndrome) PTH ADH ACTH Hypertrophic pulmonary osteoathropathy Investigations C X R Bronchoscopy Trans-thoracic needle aspiration CT Scan MRI Staging (see table)

    17. Management Depends on: Stage Cell Type Patient Physical fitness NSCLC Surgical Radiotherapy Chemotherapy SCLC Chemotherapy Radiotherapy

    18. Secondary Lung Carcinoma Solitary Lung Nodule Primary Carcinoma Tuberculous Ganuloma Mixed tumor 2 Carcinoma Miscellaneous Benign Vs. Malignant Hamartoma-Carcinoid Age Sex X-ray Size Time Calcification

    19. THE MEDIASTINUM Anatomy Boundaries Divisions Traditional Clinical Access: Mediastenoscopy, mediastenotomy Mediastinal mass lesions Anterior mediatinum(5 Ts) Middle Mediastinum(Cyst) Posterior mediastinum(Neurogenic)

    20. THYMOMA Incidence The commonest tunmor of A.M. Peak 40-60 y. M : F (1 : 1)

    21. Pathology Classification Epithelial Lymphocystic Lymphoepithelial Spindle cell Benign vs. malignant Stages I, II, III, IV

    22. Clinical Features Asymptomatic Symptomatic Mass effect Systemic effect M.G. is the commonest Investigation C X R CT Scan Biopsy Bronchoscopy } Esophagoscopy } Selected cases Angiogram }

    23. Treatment Benign ? complete excision Malignant ? complete excision if possibal If non-resectable } post-op Or } Radiotherapy Resection incomplete }

    24. Trauma RTA Fracture Ribs Simple Complicated Haemothorax Pneumothorax Flail chest Lung Contusion and ARDS

    25. Chest Wall Deformity: Pectus excavatum Pectus Carniatum Infection Chest wall tur Thoracic outlet Syndrome.

    26. Pleura Spontaneous preumothorax Pleural effusion Empyema Mesothelioma .

    27. Air-way: Tracheal Cougenital anomalies Tracheal Stenosis Tracheostomy

    28. Lung Transplantation: Indication Procedure Outcome

    29. Surgery: Thoracotomy Thoracoscopy Sternotomy Analgesia

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