Inflammatory pseudotumor of the orbit

Area of Science:

• Ophthalmology
• Pathology

Background:

• Inflammatory pseudotumor of the orbit presents a diagnostic challenge due to confusing terminology and a wide clinical spectrum.
• Associated conditions and histopathologic variations contribute to the complexity of orbital pseudotumor diagnosis.

Purpose of the Study:

• To review the history and terminology of orbital pseudotumor.
• To correlate histopathologic findings with clinical presentation, steroid response, and patient outcomes.
• To evaluate the impact of surgical intervention on orbital pseudotumor cases.

Main Methods:

• Retrospective review of 27 patients diagnosed with orbital pseudotumor at Wills Eye Hospital.
• Analysis of clinical records and histopathologic material.
• Correlation of histopathology with clinical course, treatment response, and long-term outcomes (average 3.6 years follow-up in 17 cases).

Main Results:

• Most cases reviewed showed a favorable outcome.
• Patients with acute and subacute stages of Type II orbital pseudotumor patterns responded positively to systemic steroids.
• Repeated and extensive surgical interventions appeared detrimental to patient outcomes.

Conclusions:

• Orbital pseudotumor encompasses a diverse range of clinical and histopathologic presentations.
• Systemic steroids are an effective treatment for specific stages of orbital pseudotumor.
• Conservative management, avoiding extensive surgery, is recommended for better outcomes in orbital pseudotumor.