Reticular interstitial pattern

Changed by Joachim Feger, 26 Jan 2024

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Disclosures - updated 27 Nov 2023: Nothing to disclose

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Reticular interstitial pattern is one of the patterns of linear opacification in the lung. It It can either mean a plain film or HRCT/CT feature.

Pathology

Causes

Reticulation can be subdivided by the size of the intervening pulmonary lucency into fine, medium and coarse. Diseases with a predominantly reticular pattern can be subdivided by the acuteness of their presentation.

predominantly reticular: acute, not a common pattern
- pulmonary oedema
  - heart failure
  - fluid overload
  - nephropathy
- infection
  - viral
  - mycoplasma
  - Pneumocystis
  - malaria
- drug reactions
predominantly reticular: chronic
- post-infectious scarring
  - tuberculosis (post-primary)
  - histoplasmosis (chronic)
  - coccidioidomycosis (chronic)
  - Pneumocystis
- chronic interstitial oedema
- mitral valve disease
- collagen vascular disorders
- rheumatoid lung
- scleroderma
idiopathic pulmonary haemorrhage
granulomatous disease
- pulmonary sarcoidosis
- eosinophilic granuloma
pulmonary neoplasms
- lymphangitis carcinomatosis
- pulmonary lymphoma ~~and~~ and other lymphocytic disorders
- lymphocytic interstitial pneumonitis
inhalational lung disease
- asbestosis
- silicosis
- coal workers pneumoconiosis
- hypersensitivity pneumonitis (chronic phase)
- chronic aspiration pneumonia
drug reactions
- nitrofurantoin related lung changes
- chemotherapeutic agents
- amiodarone lung toxicity
- radiation pneumonitis
idiopathic

Specific descriptors

-<p><strong>Reticular interstitial pattern </strong>is one of the patterns of <a href="/articles/reticular-and-linear-pulmonary-opacification">linear opacification</a> in the <a href="/articles/lung">lung</a>. It can either mean a plain film or HRCT/CT feature. </p><h4>Pathology</h4><h5>Causes</h5><p>Reticulation can be subdivided by the size of the intervening pulmonary lucency into fine, medium and coarse. Diseases with a predominantly reticular pattern can be subdivided by the acuteness of their presentation.</p><ul>
+<p><strong>Reticular interstitial pattern </strong>is one of the patterns of <a href="/articles/reticular-and-linear-pulmonary-opacification">linear opacification</a> in the <a href="/articles/lung">lung</a>. It can either mean a plain film or HRCT/CT feature. </p><h4>Pathology</h4><h5>Causes</h5><p>Reticulation can be subdivided by the size of the intervening pulmonary lucency into fine, medium and coarse. Diseases with a predominantly reticular pattern can be subdivided by the acuteness of their presentation.</p><ul>
~~-<a href="/articles/pulmonary-lymphoma">pulmonary lymphoma</a> and other lymphocytic disorders</li>~~
+<a href="/articles/pulmonary-lymphoma">pulmonary lymphoma</a> and other lymphocytic disorders</li>