practical pathology respiratory system module (all)
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MODULE 13- RESPIRATORY SYSTEM
PRACTICAL PATHOLOGY (ALL)
SLIDES
FIBROCASEOUS NECROSIS
LOBAR PNEUMONIA
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JARS
1-Organ: laryngectomy specimen (page26)
Description:-
The left vocal cord shows a fungating ulcerating mass. The ulcer is:
- Outline: irregular
- Edges: raised and everted
- Floor: is covered by blood clots and necrotic debris
- Base: hard and indurated
Diagnosis: Intrinsic Laryngeal Carcinoma
2- Organ: Laryngeal Specimen (page 27)
Description:-
The larynx is opened to show
-A large fungating polypoidal right sided transglottic mass which is :
- Colour: Grayish white
- Consistency : Firm
Diagnosis: Intrinsic Laryngeal Carcinoma
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3- Organ: Lung (page 29)
Description:-
Cut section shows: dilatation of the bronchi in the lower lobe which can be
traced down to the pleural surface
The dilatation bronchi are:
-Shape: Saccular of fusiform
-Walls: thickened and fibrosed
-Lumen: contains purulent material
-Mucosal lining: shows focal ulceration-The surrounding lung tissue : shows patchy areas of pneumonic consolidation
-The pleura: dull,opaque with patches of fibrinous exudate
Diagnosis: Bronchiectasis
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4- Organ: Lung (page 29)
Desription:-
The lung is
-Size: large (voluminous)
-Weight : light
-Colour: Pale
-External surface: air sacs or bullae which are:
*multiple
*size and shape : variable
*wall: thin and mostly subpleural in location
Diagnosis:Emphysema
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5- Organ : Lung (page 30)
Description:-
- The whole lung : is enlarged, airless and solidified (hepatized or liver-like)
- The pleura: dull, opaque with patches of fibrinous exudate
Diagnosis: Lobar pneumonia
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6- Organ: Lung of a child (page 31)
Description:
- The hilar lymph nodes:*markedly enlarged
*matted together
*cut section: shows focal areas of grayish white cheesy like necrotic tissue.
-The lung parenchyma: shows a subpleural area of pneumonic consolidation at
lower part of upper lobe.
*the covering pleura: opaque and lusterless
Diagnosis:Primary Pulmonary Tuberculosis
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7- Organ: Lung (page32)
Description:
Cut Section of the lung shows : chronic subapical cavity which is:-
- Outline: irregular
- Wall: thickened and fibrotic
- Lining: irregular and formed of grayish white cheese like friable necrotic
material
- The surrounding lung parenchyma: shows focal pneumonic consolidation and
cavitary foci (satellites)
- The hilar lymph nodes: slightly enlarged
Diagnosis : Fibrocaseous pulmonary Tuberculosis
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8-Organ: Lung (page 34)
Description:-
-The whole parenchyma is studded with tubercles which are numerous, small
rounded creamy yellowish with central caseation
-The hilar lymph nodes and pleura : shows similar tubercles
Diagnosis : Miliary tuberculosis of the lung
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9- Organ: Lung (page 37)
Description:
Cut section shows: large solitary mass which is:-
- Well circumscribed and non encapsulated
- Site: near the hilum in relation to main bronchus
- Colour: greyish white
- Consistency : hard
Diagnosis : Bronchogenic carcinoma
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10- Organ : Lung (page 38)
Description:
-external surface: knobby and irregular
-Cut section: multiple nodules which are:
*shape: well circumscribed
*site: distributed all over the lung with condensation at the periphery
*colour: greyish pink
*size and shape: vary (rounded and oval)
Diagnosis : Metastatic deposits in the lung