--- title: "Cardiac Calcifications" docid: "c53ad786-4464-4a04-a3e9-ccd286e1f8fc" authors: - key: "df804626-c042-4296-96e3-836a6da50fd6" value: "Gregory Kicska, MD, PhD" breadcrumbs: - name: "Cardiac" slug: "cardiac" treeNodeId: "fa90100b-619c-430e-8074-b5b9789bab39" - name: "Differential Diagnosis" slug: "differential-diagnosis" treeNodeId: "952326a0-b3ea-4a21-aa7a-d796cc9325ed" - name: "Cardiac Calcifications" slug: "cardiac-calcifications" treeNodeId: null category: "Cardiac" documentVersionId: "76a1cfbf-a803-4de9-be9e-02798943ac36" imageCount: 9 lastUpdated: "03/17/22" pageDescription: "Cardiac Calcifications" pageKeywords: "Cardiac, Differential Diagnosis, Cardiac Calcifications" pageTitle: "Cardiac Calcifications | STATdx" enhancedTitle: "Cardiac Calcifications" type: "DDX" breadcrumbs: - "Cardiac" - "Differential Diagnosis" - "Cardiac Calcifications" --- # ESSENTIAL INFORMATION - ## Key Differential Diagnosis Issues - Most common pitfall is misidentifying which anatomic structure is calcified - Cardiac calcifications more common in dialysis patients - ## Helpful Clues for Common Diagnoses - **Coronary Artery** - Curvilinear, parallel lines most commonly in proximal coronary arteries and at vessel branch points - Amount of calcium correlates with amount of coronary plaque but not degree of stenosis - Presence correlates with risk of future cardiac events - **Mitral Valve** - Annular calcifications - Associated with mitral valve insufficiency - Valvular calcifications - Suggests stenosis, most often due to rheumatic heart disease - **Aortic Valve** - Calcification burden correlates with stenosis severity - Bicuspid valve - Young patients - Coexistent coarctation - Degenerative - Patients > 60 years of age - Risk factor for coronary atherosclerosis - Rheumatic heart disease - Patients > 35 years of age - Coexistent mitral valve stenosis - ## Helpful Clues for Less Common Diagnoses - **Pericardial** - Associated with constrictive pericarditis - **Myocardial** - Indicates prior infarction; myocardial fat will likely be present - **Other Cardiac Valves and Chambers** - Tricuspid valve - Most commonly due to rheumatic heart disease; mitral and aortic valve will likely be calcified - Pulmonary valve - Most commonly due to congenital pulmonary stenosis - Atrial calcifications - Associated with severe atrial dilation - ## Helpful Clues for Rare Diagnoses - **Mass** - Chronic thrombus - Atrial appendage or adjacent to infarcted myocardium - Metastasis - History of primary tumor - Atrial myxoma - Look for characteristic location and attachment ## Images ### Selected Images ![Axial oblique CECT MIP shows discrete calcifications in a linear arrangement in a patient with LAD atherosclerosis. Note the presence of noncalcified plaque .](images/app.statdx.com_image_thumbnail_db03a28e-2ac9-4d31-9d54-369bb04c906e_annotated_true_size_900_quality_90_c88bbdcd97e4d15c05c6c4d6a29b4ebb91c7bb34.jpg) **Coronary Arteries** *Axial oblique CECT MIP shows discrete calcifications in a linear arrangement in a patient with LAD atherosclerosis. Note the presence of noncalcified plaque .* ![Axial oblique CECT MIP shows discrete calcifications in a linear arrangement in a patient with LAD atherosclerosis. Note the presence of noncalcified plaque .](images/app.statdx.com_image_thumbnail_db03a28e-2ac9-4d31-9d54-369bb04c906e_size_174_quality_85_a265eea853393b0e159a2411ebfc7b069022b251.jpg) **Coronary Arteries** *Axial oblique CECT MIP shows discrete calcifications in a linear arrangement in a patient with LAD atherosclerosis. Note the presence of noncalcified plaque .* ![Frontal radiograph shows characteristic reversed C-shaped calcification indicating mitral valve annular calcification. This calcification pattern is very common and, unlike leaflet calcification, not usually associated with stenosis.](images/app.statdx.com_image_thumbnail_c38155fa-ebff-40f3-8cba-e54e6cacf762_annotated_true_size_900_quality_90_feafbe2ae7b5c490a93f435825ed186ee9877466.jpg) **Mitral Valve Leaflets** *Frontal radiograph shows characteristic reversed C-shaped calcification indicating mitral valve annular calcification. This calcification pattern is very common and, unlike leaflet calcification, not usually associated with stenosis.* ![Axial NECT shows mitral valve leaflet calcifications in a patient with mitral stenosis presumed to be due to rheumatic heart disease. Note the enlarged left atrium and left atrial calcifications . The patient also has aortic stenosis and calcifications .](images/app.statdx.com_image_thumbnail_ac0da574-c315-45f0-9846-cf3e16700193_annotated_true_size_900_quality_90_0fe8d8cac6b4c1d8f4754d7f402b67d520d274c4.jpg) **Mitral Valve Leaflets** *Axial NECT shows mitral valve leaflet calcifications in a patient with mitral stenosis presumed to be due to rheumatic heart disease. Note the enlarged left atrium and left atrial calcifications . The patient also has aortic stenosis and calcifications .* ![Double oblique CECT MIP shows dense calcifications of the aortic valve cusps in a patient with severe aortic stenosis. Calcium burden correlates with severity of stenosis.](images/app.statdx.com_image_thumbnail_1dd24f15-77a5-415d-859d-8e31884b5021_annotated_true_size_900_quality_90_efdbae8554df03cb76623417369435fc893f60fa.jpg) **Aortic Valve** *Double oblique CECT MIP shows dense calcifications of the aortic valve cusps in a patient with severe aortic stenosis. Calcium burden correlates with severity of stenosis.* ![Axial NECT shows pericardial calcification at the atrioventricular grooves. Note the epicardial fat to differentiate from coronary calcium.](images/app.statdx.com_image_thumbnail_f9de198a-8497-453f-b8ff-c17b2ab71243_annotated_true_size_900_quality_90_a88076967e16c6658a97a9dd9b00e06c1fc71ee5.jpg) **Pericardial** *Axial NECT shows pericardial calcification at the atrioventricular grooves. Note the epicardial fat to differentiate from coronary calcium.* ![Left ventricular outflow view shows apical calcification and wall thinning in a patient with prior myocardial infarction. Note the epicardial fat to differentiate from pericardium . Wall motion abnormality was present (not shown).](images/app.statdx.com_image_thumbnail_c4e89ce3-e4df-4f1a-ba0f-310931bfdb2c_annotated_true_size_900_quality_90_67ca7f2c12e4b2a7193cd54695dd3dc603cc406b.jpg) **Myocardial** *Left ventricular outflow view shows apical calcification and wall thinning in a patient with prior myocardial infarction. Note the epicardial fat to differentiate from pericardium . Wall motion abnormality was present (not shown).* ![Axial NECT (left) and bright blood MR (right) show a new calcification in the RV of a 40-year-old patient with remote history of pulmonary embolus. This calcification corresponded to the presence of a chronic thrombus .](images/app.statdx.com_image_thumbnail_95671156-d835-4cff-a22f-2148cca2d503_annotated_true_size_900_quality_90_66025cb4f4b84b395af32409f31d037ee52ee62b.jpg) **Neoplastic Mass** *Axial NECT (left) and bright blood MR (right) show a new calcification in the RV of a 40-year-old patient with remote history of pulmonary embolus. This calcification corresponded to the presence of a chronic thrombus .* ![Lateral radiograph shows curvilinear calcification in the left atrium in a patient with left atrial myxoma.](images/app.statdx.com_image_thumbnail_9396a1b6-9114-4a6e-ad1e-64835d562097_annotated_true_size_900_quality_90_11c7857aea8849c933fa9b974e9f6485d63d6ee8.jpg) **Neoplastic Mass** *Lateral radiograph shows curvilinear calcification in the left atrium in a patient with left atrial myxoma.* ### Additional Images ![Four-chamber CECT shows both papillary muscle and mitral valve annular calcification. Papillary muscle calcification is commonly seen in dialysis patients.](images/app.statdx.com_image_thumbnail_467d2056-8226-43ab-a2b8-92f02e2232a5_annotated_true_size_900_quality_90_68e2804d327d5dc2d8e2f155b71234e78306e23a.jpg) **Mitral Valve Leaflets** *Four-chamber CECT shows both papillary muscle and mitral valve annular calcification. Papillary muscle calcification is commonly seen in dialysis patients.*