Uveal Tract Tumors | Ophthalmology Online Lecture

Uveal Tract Tumors increase the ophthalmology learning for medical students by discussing them in detail. Various tumors that are subject to the discussion are tumors of the choroid, ciliary body, and iris.

These types of tumors are further sub-classified as choroidal osteoma, malignant melanoma of choroid, and choroidal haemangioma. Likewise, medulloepithelioma and naevoxanthoendothelioma are also explained in this V-Learning™.

▬ 📌 Uveal Tract Tumors
Uveal tract tumors are broadly classified into tumors of the choroid, tumors of the ciliary body, and tumors of the iris. Each of these tumors is sub-classified into a variety of types. Starting from the tumors of choroid, choroidal naevus is discussed initially which can be indicative of a malignant stage if orange patches of lipofuscin are observed.

Hemartomas in the blood vessels of the choroid is defined as choroidal haemangioma. Melanocytoma and choroidal osteoma are also explained in detail to medical students. Malignant melanoma of the choroid is the most common primary intra-ocular malignant tumor.

Malignant melanoma of choroid progresses from the quiescent stage to the glaucomatous stage, the stage of extraocular extension, and then to the stage of distant metastasis.

This tumor can be investigated by using Clinical Radiology techniques along with other diagnostic techniques. Besides conservative treatment, surgical procedures such as enucleation, exenteration, or debulking are discussed with steps.

Next, tumors of the ciliary body are explained. Its first tumor under consideration originates from the primitive medullary epithelium and is known as medulloepithelioma. Malignant melanoma of the ciliary body presents with secondary Glaucoma, Cataract formation, and exudative retinal detachment.

Iris naevus is characterized by the pigmented or unpigmented spots on the iris. Other tumors of the iris are naevoxanthoendothelioma and malignant melanoma.

The former is a tumor of non-Langerhan cell histiocytes while the latter arises from the malignant proliferation of the neuroectodermally derived iris stromal melanocyte. Its treatment is also a subject of discussion for medical students.

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