Neoplasms of the Orbit

A surgeon is planning the removal of an orbital tumor. Which type of tumor would offer the most predictable dissection due to its well-defined borders?

A 6-year-old child presents with a suspected orbital tumor. Imaging reveals an unencapsulated mass. Which vascular tumor is most likely?

An adult patient is diagnosed with a benign orbital tumor. The tumor is encapsulated. Which of the following is most likely?

Non-Hodgkin lymphoma affecting the orbit is classified according to which system?

A patient with prostate carcinoma develops orbital symptoms. How might this metastatic tumor present?

Periorbital ecchymoses in a child might suggest metastasis of which tumor?

Which of the following orbital tumors is NOT typically encapsulated?

If a primary orbital malignancy arises from the lacrimal gland, how is it typically classified?

Which characteristic makes encapsulated orbital tumors surgically important?

A pathologist identifies neoplastic cells in an orbital biopsy. The cells are determined to be of lymphatic origin. Which diagnosis is most likely?

A 45-year-old patient presents with gradually increasing proptosis and diplopia. Imaging reveals a well-defined, encapsulated mass in the orbit. Which vascular tumor is most likely?

A child presents with sudden periorbital ecchymoses after a minor trauma. Further examination reveals an orbital mass. Which of the following metastatic tumors should be suspected?

Which orbital malignancy is classified using a system similar to that used for salivary gland tumors?

An adult patient presents with unilateral proptosis and a palpable mass in the lacrimal gland region. Which encapsulated tumor should be included in the differential diagnosis?

A patient is diagnosed with Non-Hodgkin Lymphoma (NHL) affecting the orbit. What is a typical characteristic that can be observed?

A 70-year-old male presents with new-onset orbital inflammation that is unresponsive to typical treatments. Imaging reveals a mass in the orbit. Which metastatic tumor should be highly suspected?

In a child presenting with periorbital ecchymoses, which imaging modality would be most helpful in differentiating between a vascular tumor and metastatic neuroblastoma or Wilms tumor?

Which aspect of cavernous hemangiomas makes them preferable for surgical removal, compared to lymphangiomas?

In the classification of primary orbital malignancies, what is the significance of determining the parent tissue of origin?

A patient presents with gradual proptosis, diplopia, and a palpable orbital mass. The mass appears to be well circumscribed on imaging. Which of the following should be prioritized in the differential diagnosis?