Neel Dewan Gupta

All articles by Neel Dewan Gupta

Preliminary Diagnosis: Endometriosis I. What imaging technique is first-line for this diagnosis? Pelvic ultrasound. II. Describe the advantages and disadvantages of this technique for diagnosing endometriosis. Advantages Does not use ionizing radiation. Can easily evaluate the involved structures. Disadvantages Cannot exam all parts of the lower abdomen and pelvis. Requires a skilled technician. May be…

Preliminary Diagnosis: Peritonsillar abscess I. What imaging technique is first-line for this diagnosis? CT soft tissue neck with contrast II. Describe the advantages and disadvantages of this technique for diagnosis of peritonsillar abscess. Advantages Relatively inexpensive, fast imaging modality. Able to differentiate neck pathology from adjacent vascular structures, lymph nodes, and osseous structures with great…

Preliminary Diagnosis: Pneumothorax I. What imaging technique is first-line for this diagnosis? Chest X-ray II. Describe the advantages and disadvantages of this technique for diagnosing pneumothorax. Advantages Inexpensive. Quick. Minimal Ionizing radiation.Related Content Disadvantages Difficult to see small pneumothorax or an apical bleb. III. What are the contraindications for the first-line imaging technique? Relative contraindications…

Preliminary Diagnosis: Gout I. What imaging technique is first-line for this diagnosis? Plain radiographs II. Describe the advantages and disadvantages of this technique for diagnosis of gout. Advantages Clearly visualizes dense gouty tophi and osseous erosions Clearly visualizes overhanging cortical edges and juxtaarticular erosions extending perpendicularly from the underlying bone Disadvantages Radiographs often normal in…

Preliminary Diagnosis: Abdominal Aortic Aneurysm I. What imaging technique is first-line for this diagnosis? CT with contrast/CT angiogram II. Describe the advantages and disadvantages of this technique for diagnosis of abdominal aortic aneurysm. Advantages Distinguishes residual lumen from mural thrombus, leaking or ruptured aneurysm Delineates branch vessel anatomy Good for evaluation after endovascular repair Disadvantages…

Preliminary Diagnosis: Rectovaginal Fistulas I. What imaging technique is first-line for this diagnosis? Contrast enema with barium or water-soluble contrast. II. Describe the advantages and disadvantages of this technique for diagnosing rectovaginal fistulas. Advantages Specific examination as entry point with contrast near the diseased segment of bowel. Can easily and quickly identify the location, length,…

Preliminary Diagnosis: Chylothorax I. What imaging technique is first-line for this diagnosis? Plain radiographs II. Describe the advantages and disadvantages of this technique for diagnosis of chylothorax. Advantages Sensitive for a pleural effusion often found on the left side Quick Inexpensive Minimal exposure to ionizing radiationRelated Content Disadvantage Cannot assess contents of pleural fluid or…

Preliminary Diagnosis: Cholesterol Emboli Syndrome I. What imaging technique is first-line for this diagnosis? CT with intravenous contrast II. Describe the advantages and disadvantages of this technique for diagnosis of cholesterol emboli syndrome. Advantages Specific to identify calcified and soft plaque using thin slices and reconstructions Relatively inexpensive Quick procedure Can visualize complications including aneurysm,…

Preliminary Diagnosis: Cardiomyopathy I. What imaging technique is first-line for this diagnosis? 2-D echocardiography II. Describe the advantages and disadvantages of this technique for diagnosis of cardiomyopathy. Advantages Can assess for chamber dilatation, myocardial wall thinning or thickening, abnormal ejection fraction and increased end-diastolic volume, systolic obstruction Diagnostic Disadvantages Imaging may be limited by obese…

Preliminary Diagnosis: Acute Respiratory Distress Syndrome I. What imaging technique is first-line for this diagnosis? CT of the chest without contrast II. Describe the advantages and disadvantages of this technique for diagnosising Acute Respiratory Distress Syndrome. Advantages Identifies features associated with ARDS, including intense pulmonary (parenchymal) opacification, ground glass opacities, plueral effusions, lobar atelectasis, lung…

Preliminary Diagnosis: Abdominal Fistulas I. What imaging technique is first-line for this diagnosis? CT with oral and intravenous contrast II. Describe the advantages and disadvantages of this technique for diagnosis of abdominal fistulas. Advantages Quick examination after allowing oral contrast to migrate through the bowel Specific examination in identifying a particular place of bowel abnormality…

Preliminary Diagnosis: Chronic Venous Insufficiency I. What imaging technique is first-line for this diagnosis? Ultrasound with Gray Scale, pulsed Doppler, and Color Doppler imaging. II. Describe the advantages and disadvantages of this technique for diagnosis of chronic venous insufficiency. Advantages Gray-scale Imaging defines vein lumen, valve leaflets, and vein wall; assesses vein compressibility; and evaluates…

Preliminary Diagnosis: Acromioclavicular arthritis I. What imaging technique is first-line for this diagnosis? AP radiographs of the acromioclavicular joint May need additional axillary films (shows posterior dislocation), Zanka (10- to 15-degree cephalad angulation), and/or stress views (10-15 pounds suspended by straps at the wrists) II. Describe the advantages and disadvantages of this technique for diagnosis…

Preliminary Diagnosis: Chondrocalcinosis I. What imaging technique is first-line for this diagnosis? Plain radiographs II. Describe the advantages and disadvantages of this technique for diagnosis of chondrocalcinosis. Advantages May be diagnostic Arthropathy related to long-standing disease can be shown with peculiar patterns of structural joint damage that suggest the diagnosis Quick imaging procedure Requires minimal…

Preliminary Diagnosis: Fractures I. What imaging technique is first-line for this diagnosis? Plain radiography. II. Describe the advantages and disadvantages of this technique for diagnosing fractures. Advantages Diagnostic of fractures when radiologically evident step-off disruption of the cortex (cortices) is noted. Quick imaging procedure. Requires minimal patient cooperation.Related Content Low cost procedure. Readily available. Disadvantages…

Preliminary Diagnosis: Choriocarcinoma/Molar Preganancy I. What imaging technique is first-line for this diagnosis? Ultrasound with Doppler interrogation II. Describe the advantages and disadvantages of this technique for diagnosis of choriocarcinoma/molar pregnancy. Advantages Quick Inexpensive Fairly specific and sensitive Requires no ionizing radiationRelated Content Disadvantages Difficult to assess for extrauterine and extrapelvic metastases Not as specific…

Preliminary Diagnosis: Plantar Fasciitis I. What imaging technique is first-line for this diagnosis? MRI of the foot without contrast II. Describe the advantages and disadvantages of this technique for diagnosing plantar fasciitis. Advantages Diagnostic modality to evaluate the anatomy of the plantar fascia, including the medial, central, and lateral cords. Diagnostic modality to evaluate for…

Preliminary Diagnosis: Hepatomegaly I. What imaging technique is first-line for this diagnosis Ultrasound with measurement of the liver in the longitudinal plane. II. Describe the advantages and disadvantages of this technique for diagnosis of hepatomegaly. Advantages Quick, inexpensive No ionizing radiation Disadvantages Operator dependent to obtain accurate longitudinal measurements of the liver III. What are…

Preliminary Diagnosis: Cholecystitis I. What imaging technique is first-line for this diagnosis? Ultrasound II. Describe the advantages and disadvantages of this technique for diagnosis of cholecystitis. Advantages Relatively inexpensive Quick Does not use ionizing radiation Disadvantages Difficult to assess gallbladder if patient just ate or gallbladder is contractedRelated Content Difficult to assess if patient has…

Preliminary Diagnosis: Constrictive Pericarditis I. What imaging technique is first-line for this diagnosis? Echocardiogram. II. Describe the advantages and disadvantages of this technique for diagnosing constrictive pericarditis. Advantages Does not require ionizing radiation. Inexpensive. Allows for dynamic assessment of the heart and the left ventricle.Related Content Can identify pericardial effusion. May be semi-invasive if transesophageal…

Preliminary Diagnosis: Carotid Stenosis I. What imaging technique is first-line for this diagnosis? Ultrasound with Doppler interrogation and spectral waveform imaging II. Describe the advantages and disadvantages of this technique for diagnosis of carotid stenosis. Advantages Relatively inexpensive Does not use ionizing radiation Can compare both left and right carotid vasculature Useful for detecting low…

Preliminary Diagnosis: Chronic Pancreatitis I. What imaging technique is first-line for this diagnosis? CT of the abdomen and pelvis with contrast II. Describe the advantages and disadvantages of this technique for diagnosis of chronic pancreatitis. Advantages Quick Inexpensive Specific for diagnosis Can detect associated findings with chronic pancreatitis, including masses, pseudocyts, and othersRelated Content Disadvantages…

Preliminary Diagnosis: Acute pancreatitis I. What imaging technique is first-line for this diagnosis? CT of the abdomen and pelvis with contrast II. Describe the advantages and disadvantages of this technique for diagnosis of acute pancreatitis. Advantages Can identify focal or diffuse pancreatic enlargment Can identify necrotic areas, abscesses, pseudocysts, and other fluid collections QuickRelated Content…