Aparna Ramasubramanian » Miscellaneous

  • Retinoblastoma Group-A (International Classification)

    Oct 2 2015 by Aparna Ramasubramanian

    Retcam fundus photography of a child with bilateral sporadic retinoblastoma showing multiple small retinal tumors (superotemporally and superiorly). By the international classification this would be graded as a Group A retinoblasoma (Rb size < 3 mm).

    Photographer: Aparna Ramasubramanian

    Condition/keywords: retinoblastoma

  • Retinoblastoma Group-B (International Classification)

    Oct 2 2015 by Aparna Ramasubramanian

    Retcam fundus photography of a child with bilateral sporadic retinoblastoma showing an elevated tumor adjacent to the optic nerve. By the international classification this would be graded as a Group B retinoblasoma (Rb size >3 mm or =3 mm to foveola or =1.5 mm to disc or srf =3 mm from margin).

    Photographer: Aparna Ramasubramanian

    Condition/keywords: retinoblastoma

  • Retinoblastoma Group-C (International Classification)

    Oct 2 2015 by Aparna Ramasubramanian

    Retcam fundus photography of a child with unilateral sporadic retinoblastoma showing an elevated tumor overhanging the optic nerve and macula. By the international classification this would be graded as a Group C retinoblasoma (subretinal or vitreous seeds < 3 mm from the margin of the tumor).

    Photographer: Aparna Ramasubramanian

    Condition/keywords: retinoblastoma

  • Retinoblastoma Group-D (International Classification)

    Oct 2 2015 by Aparna Ramasubramanian

    Retcam fundus photography of a child with unilateral sporadic retinoblastoma showing the elevated nasal tumor with diffuse vitreous seeds. By the international classification this would be graded as a Group D retinoblasoma (subretinal or vitreous seeds > 3 mm from the margin of the tumor).

    Photographer: Aparna Ramasubramanian

    Condition/keywords: retinoblastoma

  • Retinoblastoma Group-E (International Classification)

    Oct 2 2015 by Aparna Ramasubramanian

    Retcam fundus photography of a child with unilateral sporadic retinoblastoma showing the tumor close to the lens and iris neovascularization with high intraocular pressure. By the international classification this would be graded as a Group E retinoblasoma.

    Photographer: Aparna Ramasubramanian

    Condition/keywords: retinoblastoma

  • Retinoblastoma Ultrasound

    Oct 2 2015 by Aparna Ramasubramanian

    Ultrasonography of a retinoblastoma tumor shows hyperreflective echoes suggestive of calcification. It is seen in 90% of retinoblastoma patients and is an important diagnostic sign.

    Photographer: Aparna Ramasubramanian

    Condition/keywords: A-scan ultrasound, B scan ultrasound, calcification, retinoblastoma