A dramatically enhancing tumor at the carotid bifurcation is probably what? A low-density, round, well-defined mass that displaces the carotid artery anteriorly and enhances on CT is probably what? Are carotid space tumors usually benign? Are they benign or malignant? Can the optic nerve often still be seen within this type of tumor? Can these lesions be differentiated from adenomas by CT or MRI? Can these lesions be differentiated from benign neoplasms radiographically? Does a pleomorphic adenoma enhance? Ear Eye and orbit From what structure do these malignancies most commonly arise? How do these tumors grow? How is the thyroid gland imaged with nuclear medicine? How is the thyroid gland imaged? How often is this tumor either bilateral or multifocal in the same eye? In which salivary gland do calculi most commonly occur? List five differential diagnoses of a unilateral lacrimal gland mass. List five differential diagnoses of an extraconal mass. List five inflammatory causes of cervical lymphadenopathy. List five orbital structures that can be affected by this process. List four benign tumors that occur in the larynx. List four differential diagnoses of a focal mass in the extraocular muscle. List four differential diagnoses of an adult ocular mass. List six differential diagnoses of an intraconal mass. Lymph nodes Medullary carcinoma of the thyroid is sometimes associated with what syndrome? Multiple bilateral parotid tumors in an adult with heterogeneous imaging characteristics usually indicate what diagnosis? Name the four most common types of thyroid carcinomas. Name the two most common benign tumors found in this space. Name two other malignancies of the oropharynx and where they most commonly occur. Name two types of lymphoma. Orbital melanoma has a characteristic appearance on T1- and T2-weighted MRI. What is it? Orbital pseudotumor commonly causes what two symptoms? Pharynx and larynx Salivary gland Sinuses This structure is sandwiched between which two muscles? Thyroid and parathyroid What age group gets orbital rhabdomyosarcoma? What are six primary causes of a focal area of decreased uptake (i.e., a cold nodule)? What are the T1 and T2 characteristics of this lesion? What are the T1 and T2 characteristics of this tumor? What are the leading causes of decreased thyroid uptake? What are the most common parotid malignancies? What are the three differential diagnoses for bilateral involvement? What are the two major cervical malignancies associated with lymphadenopathy? What are the two most common types of brachial plexus lesions that cause symptoms? What benign bony tumor may appear as a septated lytic lesion of the mandible? What can this tumor do to adjacent bone? What disease is most often associated with optic neuritis? What do they look like on CT? What does a pathologic lymph node look like? What does it look like on CT? What does this tumor look like on CT? What does thyroid orbitopathy look like on CT? What five conditions constitute the differential diagnosis of a jugular fossa mass? What happens to the orbital fat in thyroid orbitopathy What imaging test is the most sensitive for this condition? What important neurologic structure is found in the paravertebral space? What is a thyroid uptake study, and when is it indicated? What is normally in the retropharyngeal space? What is painless enlargement of the parotid glands called? What is seen on CT with this condition? What is sialoadenitis? What is the average age of patients diagnosed with optic nerve sheath meningioma? What is the average age of patients with optic nerve glioma? What is the best imaging test for evaluation of the orbit of most patients without trauma? What is the characteristic appearance of contrast axial images of this tumor? What is the diagnosis of homogeneously increased uptake in an enlarged thyroid gland? What is the leading diagnosis for a focal area of increased uptake (i.e., a hot nodule)? What is the most common adult primary intraocular tumor? What is the most common benign tumor of the parotid gland? What is the most common extraconal mass in children? What is the most common laryngeal malignancy? What is the most common malignancy in salivary glands other than the parotids? What is the most common odontogenic (tooth) mass? What is the most common pediatric intraocular tumor? What is the probable diagnosis of a well-defined, high-signal T2 lesion in the retropharyngeal space in a patient with a history of pharyngitis or tonsillitis? What is the risk of malignancy in a cold nodule, and how are cold nodules managed? What is the significance of multiple hot and cold nodules? What is the size criterion for an abnormally large lymph node in a patient with squamous cell cancer of the larynx or pharynx? What is the study of choice for evaluating lymph nodes in the neck? What percentage of laryngeal squamous cell carcinomas are subglottic? What percentage of parotid tumors are malignant? What proportion of these tumors calcify? When can retropharyngeal fluid be present without infection? Where in the orbit do dermoids most commonly occur? Which is the more common type in the neck? Why is contrast given? Why is this important? Book traversal links for ENT and Opthalmologic disorders ‹ What structures pass through each orbital foramen? Up A dramatically enhancing tumor at the carotid bifurcation is probably what? ›