Lipid pneumonia

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Lipid pneumonia
Synonyms	Lipoid pneumonia
Pronounce	N/A
Specialty	Pulmonology
Symptoms	Cough, dyspnea, chest pain
Complications	Respiratory failure, secondary infection
Onset	Variable
Duration	Chronic or acute
Types	N/A
Causes	Aspiration of lipid substances
Risks	Gastroesophageal reflux disease, dysphagia, use of mineral oil
Diagnosis	Chest X-ray, CT scan, bronchoscopy
Differential diagnosis	Bacterial pneumonia, tuberculosis, pulmonary embolism
Prevention	Avoidance of aspiration of lipid substances
Treatment	Corticosteroids, antibiotics for secondary infection
Medication	N/A
Prognosis	Variable, depending on severity and treatment
Frequency	Rare
Deaths	N/A

Lipid pneumonia, exogenous, chronic Case 203

Lipid pneumonia is a specific form of lung disease that occurs when lipids enter the bronchial tree. This condition is a type of pneumonia that results from the presence of lipids in the lung. It can be either exogenous, where the lipids are introduced from outside the body, or endogenous, where the lipids originate from within the body.

Causes

Exogenous lipid pneumonia (ELP) is caused by the inhalation or aspiration of various types of oil-based substances, such as petroleum jelly, mineral oil, and vegetable oils. This can occur in a variety of situations, such as accidental aspiration, occupational exposure, or certain medical procedures. Endogenous lipid pneumonia (ENLP), also known as cholesterol pneumonia or golden pneumonia, is caused by the accumulation of lipids within the lungs that originate from within the body. This can occur due to a variety of conditions, such as certain lung diseases, tumors, or lipid storage disorders.

Symptoms

The symptoms of lipid pneumonia can vary widely and may include cough, fever, chest pain, shortness of breath, and weight loss. In some cases, the condition may be asymptomatic and only discovered incidentally during a radiographic imaging study.

Diagnosis

The diagnosis of lipid pneumonia is often challenging due to its nonspecific symptoms and the fact that it can mimic other lung diseases on imaging studies. The diagnosis is usually confirmed by a lung biopsy, which shows the presence of lipid-laden macrophages in the lung tissue.

Treatment

The treatment of lipid pneumonia primarily involves addressing the underlying cause of the condition. This may involve discontinuing the use of the offending oil-based substance in cases of ELP, or treating the underlying condition causing ENLP. In some cases, corticosteroids may be used to reduce inflammation in the lungs.

See also

• Pneumonia
• Lung disease
• Lipid storage disorders

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