Related Experiment Video
Updated: May 13, 2026

07:44
A Porcine Model of Acute Autologous Pulmonary Embolism
Published on: September 6, 2024
Illicit narcotic injection masquerading as acute pulmonary embolism
Shelley A Klochan1, Mohammed Taleb, Matthew J Hoover
1University of Toledo, Toledo, OH, USA.
Vascular Medicine (London, England)
|March 16, 2013
Summary
A young man developed acute pulmonary hypertension from injecting crushed oral medications. This case highlights cellulose granulomatosis as a cause of severe lung disease in intravenous drug users.
Area of Science:
- Pulmonology
- Toxicology
- Pathology
Background:
- Intravenous drug use is associated with various pulmonary complications.
- Acute pulmonary hypertension can be a life-threatening condition with a broad differential diagnosis.
Observation:
- A 23-year-old male presented with hypotension, tachycardia, diaphoresis, and right ventricular strain.
- Imaging revealed bilateral pulmonary nodules, with no evidence of pulmonary embolism.
- The patient admitted to injecting macerated oral narcotics intravenously.
Findings:
- Lung biopsy confirmed cellulose-induced perivascular granulomatosis.
- This condition results from injecting particulate matter from oral formulations.
- Cellulose granulomatosis can mimic other acute pulmonary conditions.
Implications:
- This case underscores the risks of parenteral administration of oral medications.
- Cellulose granulomatosis should be considered in patients with unexplained acute pulmonary hypertension.
- Awareness among clinicians is crucial for accurate diagnosis and management of this iatrogenic lung injury.
Related Concept Videos
Pulmonary Embolism I: Introduction
Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
Pulmonary Embolism I: Introduction
A blood clot, or thrombus, is a semi-solid mass composed of fibrin, platelets, and red blood cells. When it forms within a vessel, it can obstruct blood flow, known as thrombosis. If part of the clot detaches, it becomes an embolus that can travel and block distant vessels. When this occurs in the pulmonary arteries, it causes a condition known as pulmonary embolism (PE).Origin and ImpactMost often, the embolus originates from a thrombus in the deep veins of the lower limbs, a condition called...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Pulmonary Embolism III: Nursing Management
A pulmonary embolism occurs when a thrombus, amniotic fluid, tumor tissue, fat, or air embolus blocks one or more pulmonary arteries. Effective nursing management and patient education are crucial for improving outcomes and preventing recurrence.Nursing management starts with obtaining a comprehensive patient history, particularly noting any history of deep vein thrombosis (DVT). Assess for clinical manifestations, including dyspnea, chest pain, crackles, heart murmurs, and signs of right-sided...
Prevention of Further Absorption of Poison
In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
Radiological Investigation III: Pulmonary Angiogram and PET Scan
Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
