retinoblastoma Definition
retino·blas·toma (ret′'n ō blas tō′mə)
noun pl. -·mas, -·mata-mə tə
a rare, often inherited, malignant tumor that forms in the retina, usually of a young child
retinoblastoma Usage Examples
Converse of object
- treat: Different hospitals may recommend different ways to treat retinoblastoma.
- develop: Top of page Can genetic tests be used to know whether a child will develop retinoblastoma?
- have: Mike's " Life with Retinoblastoma " By a parent with a young child who has retinoblastoma.
- detect: In no case was orbital or metastatic retinoblastoma detected at follow-up.
Preposition: at
age: Sample groups Studies of participants diagnosed with retinoblastoma at the age of 18 years or under were eligible for inclusion.
Adjective modifier
- trilateral: Top of page Trilateral retinoblastoma Occasionally, a new tumor can develop in the center of the brain.
- intraocular: AB - PURPOSE: To evaluate the efficacy and toxicity of subconjunctival carboplatin for intraocular retinoblastoma.
- bilateral: PARTICIPANTS: Eleven children with bilateral retinoblastoma who had 13 eyes containing active tumor.
- unilateral: Impairment of vision The majority of children with unilateral retinoblastoma have the affected eye removed.
- hereditary: Based on small numbers, families with reduced likelihood of hereditary retinoblastoma reported more positive outcomes.
- sporadic: However, up to 15 % of cases of sporadic unilateral retinoblastoma may be hereditary.
Modifies a noun
- gene: A child ends up having two copies of each gene, including the retinoblastoma gene.
- protein: A very important controlling player in this process is the retinoblastoma protein.
- patient: The survival rate of our series ( 91 % ) was not different from that usually seen in retinoblastoma patients.
- tumor: Retinoblastoma tumors can be successfully treated if detected early enough, but the required chemotherapy and surgery can result in blindness.
- susceptibility: With regard to the molecular background, no mutation of the p53 or retinoblastoma susceptibility ( Rb ) genes has been demonstrated.
- expression: Immunohistochemical analysis of retinoblastoma protein expression revealed low levels of expression, but no histopathological signs of malignancy.
Noun used with modifier
childhood: Studies of adults were only included where childhood retinoblastoma was followed up into adulthood.
Preposition: in
child: This study could eventually help block the molecular signals that trigger retinoblastoma in children.
Browse dictionary entries near retinoblastoma
- ‹ retinitis pigmentosa
- ‹ retinitis
- ‹ retinene
- ‹ retine
- ‹ retinal
- ‹ retinaculum
- ‹ retina
- ‹ Retin-A
- ‹ retiform
- ‹ reticulum
- retinoic acid ›
- retinoid ›
- retinol ›
- retinopathy ›
- retinoscope ›
- retinoscopy ›
- retinue ›
- retire ›
- retired ›
- retiree ›

