Respiratory pathology Flashcards
PaO2 of respiratory failure
8
PaO2 of type 1 respiratory failure, and what is driving it?
PaO2 of type 2 respiratory failure, and what is driving it?
> 6.3kPa, hypercapnic drive
Two types of carcinoma
Small cell and non small cell
4 types non small cell
Squamous
Undifferentiated large cell
Adenocarcinoma
Large cell neuroendocrine
90% smokers have which type of lung cancer?
Squamous small cell carcinoma
Which cancer can mimic pneumonia?
Bronchioloalveolar carcinoma
Neuroendocrine tumours are detected using what?
CD56 and neurosecretory granule proteins- chromogranin, synaptophysin
4 features of typical carcinoid tumours
No necrosis, bland
Distant mets are rare
Not assoc with smoking
May occlude bronchioles
Thyroid transcription factor is expressed by which 3 carcinomas?
Adenocarcinoma
Undifferentiated large cell carcinoma
Small cell
Small cell carcinomas also secrete what?
ACTH and ADH
What does TNM staging include as well as the usual?
Atelectasis of lobe/lung
2 causes of pleural effusion
Inflammatory-exudate
Congestive heart failure- transudate
Which colour asbestos is the worst?
Blue (or brown but blue worst)
Signs of mesothelioma?
Small plaques/nodules on parietal pleura
Effusion
What type of cells in mesothelioma
Spindle and epitheliod
What pathogen causes pneumonia in the elderly, diabetics and alcoholics?
Klebsiella pneumoniae
What pathogen causes pneumonia in the elderly, diabetics and alcoholics?
Klebsiella pneumoniae
PaO2 of type 1 respiratory failure, and what is driving it?
Complications of bronchiectasis?
Pneumonia
Septicaemia
Metastatic infection
Amyloidosis
Two types of carcinoma
Small cell and non small cell
4 types non small cell
Squamous
Undifferentiated large cell
Adenocarcinoma
Large cell neuroendocrine
90% smokers have which type of lung cancer?
Squamous small cell carcinoma
Which cancer can mimic pneumonia?
Bronchioloalveolar carcinoma
Neuroendocrine tumours are detected using what?
CD56 and neurosecretory granule proteins- chromogranin, synaptophysin
4 features of typical carcinoid tumours
No necrosis, bland
Distant mets are rare
Not assoc with smoking
May occlude bronchioles