Faculty of Allied Medical Sciences. Histopathology and Cytology (MLHC-201). Prof. Dr. Noha Ragab PATHOLOGY OF THE RESPIRATORY SYSTEM. PATHOLOGY OF THE RESPIRATORY PASSAGES. Intended Learning Outcomes. By the end of this lecture, the student should know :
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Histopathology and Cytology
Prof. Dr. NohaRagabPATHOLOGY OF THE RESPIRATORY SYSTEM
PATHOLOGY OF THE RESPIRATORY PASSAGES
By the end of this lecture, the student should know :
1- The causes of sinusitis and epistaxis.
2- The benign and malignant tumors of the respiratory passages.
3- Pathology of the larynx and the pharynx.
This very common condition, most often the result of a trauma, may also be caused by:
TUMORSOF THE RESPIRATORY PASSAGES
1- NASAL POLYP:
2- PAPILLARY LESIONS OF THE UPPER RESPIRATORY PASSAGES:
3- JUVENILE ANGIOFIBROMA:
1-Hoarseness of the voice, the most common, is due to alteration of the vocal cords.
2-Pain and dysphasia (problems in speech) are caused by excessive muscle contraction
3-Haemoptysis (expectoration of blood) is due to erosion of the superficial blood vessels of the larynx.
4-Respiratory distress resulting from narrowing of the airways.
I- NON-SPECIFIC LARYNGITIS
A- BENIGN TUMORS OF THE LARYNX
Squamous cell carcinoma of the Larynx
1- What are the causes of epistaxis ?
2- List some examples for the benign tumors of the respiratory passages.
3- What does the microscopic examination of pharyngitis reveal ?
4- What are the benign tumors of the larynx?