Learning objectives
To know the imaging findings of frequent orbital masses with emphasis on differentiating elements.
Background
Orbital masses comprise a broad spectrum of etiologies,
with nonspecific symptoms,
so imaging plays an important role in the diagnosis.
We present the following cases of frequent orbital pathology:
- Cavernous hemangioma
- Lymphoproliferative lesions
- Optic nerve glioma
- Meningioma
- Schwannoma
Findings and procedure details
1) CAVERNOUS VENOUS MALFORMATION
Previously known as "cavernous hemangioma".
It is the most frequent benign orbital lesion in adults.
It is a congenital vascular anomaly,
a low-flow venous malformation,
composed of dilated cavernous spaces,
covered by flattened endothelium and separated by fibrous septa,
with a well-defined capsule.
It generally remains asymptomatic until adulthood,
so it typically presents in the fourth and fifth decades of life.
There are cases reported presenting in childhood,
in infants with diffuse neonatal hemangiomatosis.
About 60% of cases occur in women....
Conclusion
Knowledge of the differentiating elements of orbital masses is fundamental for the correct diagnosis and therapeutic management.
References
Calandriello L,
Grimaldi G,
Petrone G,
Rigante M,
Petroni S,
Riso M,
Savino G.
Cavernous venous malformation (cavernous hemangioma) of the orbit: Current concepts and a review of the literature.
Surv Ophthalmol.
2017 Jul - Aug;62(4):393-403.
Tailor TD,
Gupta D,
Dalley RW,
Keene CD,
Anzai Y.
Orbital neoplasms in adults: clinical,
radiologic,
and pathologic review.
Radiographics.
2013 Oct;33(6):1739-58
Rootman DB,
Heran MK,
Rootman J,
White VA,
Luemsamran P,
Yucel YH.
Cavernous venous malformations of the orbit (so-called cavernous haemangioma): a comprehensive evaluation of their clinical,...