Jagan Dewan Gupta, Author at Infectious Disease Advisor - Page 20 of 21

Jagan Dewan Gupta

All articles by Jagan Dewan Gupta

Normal pressure hydrocephalus

Preliminary Diagnosis: Normal Pressure Hydrocephalus I. What imaging technique is first-line for this diagnosis? Non-contrast CT of the brain II. Describe the advantages and disadvantages of this technique for diagnosis of normal pressure hydrocephalus. Advantages Relatively inexpensive, fast imaging modality compared with companion MR imaging Able to evaluate osseous structures Disadvantages Exposes the patient to…

Malignant otitis externa

Preliminary Diagnosis: Malignant Otitis Externa I. What imaging technique is first-line for this diagnosis CT temporal bone with and without contrast II. Describe the advantages and disadvantages of this technique for diagnosis of malignant otitis externa. Advantages Relatively inexpensive, fast imaging modality More specific and sensitive in evaluating the osseous structures for any evidence of…

Cerebellar degeneration

Preliminary Diagnosis: Cerebellar Degeneration I. What imaging technique is first-line for this diagnosis? Noncontrast CT of the brain II. Describe the advantages and disadvantages of this technique for diagnosis of cerebellar degeneration. Advantages Less expensive than MRI Faster to peform than MRI Disadvantages Exposes patients to ionizing radiation.Continue Reading III. What are the contraindications for…

Myocarditis

Preliminary Diagnosis: Myocarditis I. What imaging technique is first-line for this diagnosis PA and lateral view of the chest II. Describe the advantages and disadvantages of this technique for diagnosis of myocarditis. Advantages Quick, relatively inexpensive modality Exposes patients to negligible ionizing radiation Highly portableContinue Reading Disadvantages Limited in sensitivity and specificity in detecting, diagnosing,…

Mycotic aneurysm

Preliminary Diagnosis: Mycotic Aneurysm I. What imaging technique is first-line for this diagnosis? The first-line imaging modality is CTA imaging with IV contrast of the area of concern II. Describe the advantages and disadvantages of this technique for diagnosis of mycotic aneurysm. Advantages May help guide and plan percutaneous intervention Offers exquisite visualization of the…

Abdominal aortic aneurysm

Preliminary Diagnosis: Gastroesophageal Varices I. What imaging technique is first-line for this diagnosis Ultrasound of the upper abdomen near the gastroesophageal junction utilizing gray scale, color Doppler, and spectral waveform sonographic techniques II. Describe the advantages and disadvantages of this technique for diagnosis of gastroesophageal varices. Advantages Highly portable imaging modality that exposes patients to…

Toxic nodular goiter

Preliminary Diagnosis: Toxic Nodular Goiter I. What imaging technique is first-line for this diagnosis? Ultrasound of the thyroid gland. II. Describe the advantages and disadvantages of this technique for diagnosing toxic nodular goiter. Advantages Highly portable imaging modality. Does not expose patients to ionizing radiation. May help guide percutaneous biopsy and FNA.Continue Reading Able to…

Basal Cell Carcinoma

Preliminary Diagnosis: Basal Cell Carcinoma I. What imaging technique is first-line for this diagnosis? Most lesions are superficial and are not imaged. II. Describe the advantages and disadvantages of this technique for diagnosis of basal cell carcinoma. Not applicable III. What are the contraindications for the first-line imaging technique? Not applicableContinue Reading IV. What alternative…

Squamous Cell Carcinoma of the Skin

Preliminary Diagnosis: Squamous cell carcinoma of the skin I. What imaging technique is first-line for this diagnosis CT with contrast II. Describe the advantages and disadvantages of this technique for diagnosis of squamous cell carcinoma of the skin. Advantages Relatively quick and inexpensive imaging modality. Offers exquisite detail of the surrounding osseous structures. Disadvantages Exposes…

Portal Hypertension

Preliminary Diagnosis: Portal Hypertension I. What imaging technique is first-line for this diagnosis? Ultrasound of the liver utilizing gray scale, Color Doppler, and spectrum wave form analysis sonographic imaging. II. Describe the advantages and disadvantages of this technique for diagnosing portal hypertension. Advantages Highly portable and quick imaging modality. Does not expose patients to ionizing…

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