How to Pronounce Leigh Syndrome
Definition, meaning, and phonetic spelling
Leigh Syndrome Pronunciation
LEE SIN-drohm
Stressed syllable in ALL CAPS · hyphens separate syllables
Syllable Breakdown
LEE SIN
stress here
drohm
2 syllables
What is Leigh Syndrome?
A severe early-onset neurodegenerative disorder caused by defects in mitochondrial energy production (most commonly complex I or IV of the respiratory chain, or pyruvate dehydrogenase), characterized by progressive loss of neurological milestones, elevated lactate in blood and CSF, and characteristic bilateral symmetric lesions in the basal ganglia and brainstem on MRI. It usually presents in the first 2 years of life and is fatal within years without effective treatment.
Questions About Leigh Syndrome
How do you pronounce Leigh Syndrome?
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Leigh Syndrome is pronounced "LEE SIN-drohm." The first part rhymes with the word "free," and the second part sounds like "syndrome" with the stress on the first syllable. Say it as if you're naming someone named Lee who has a syndrome.
What does the word 'syndrome' mean?
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A syndrome is a group of signs or features that tend to happen together. The word comes from Greek and means "running together." So Leigh Syndrome is a medical condition where certain features appear as a package.
Who was Leigh Syndrome named after?
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Leigh Syndrome is named after Archibald Leigh, a British neurologist who first described this condition in detail in 1951. The syndrome was named to honor his medical discovery, which is a common way doctors name diseases.
What is the correct way to stress the syllables in Leigh Syndrome?
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You stress the first syllable in each word: LEE (stress) SIN (stress)-drohm. The most common mistake is putting stress on the second syllable of syndrome, making it sound like "sin-DROHM," but it should be "SIN-drohm" with the stress on the first part.
Can you break Leigh Syndrome into syllables?
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Yes! Leigh Syndrome breaks down into three syllables: "Leigh" (one syllable) + "Syn-drome" (two syllables). Put together, it's LEE-SYN-DROHM. This makes it easier to say slowly if you're learning the word.
What is the abbreviation for Leigh Syndrome?
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Leigh Syndrome is often shortened to "LS" in medical writing. You would say the letters separately: "L-S." You might also see it written as "Leigh disease" in some medical texts, and both terms mean the same thing.
What does 'Leigh' refer to when we say this term?
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When we say "Leigh" in this medical term, we're not describing a characteristic of the condition—instead, we're using it as a proper name. It comes from Archibald Leigh, the doctor who identified and studied this disorder, so it's a tribute to his work.
How would you use Leigh Syndrome in a sentence?
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Here's an example: "The doctor explained that Leigh Syndrome is a rare neurological condition that can be identified using brain imaging." This sentence uses the term correctly in a medical context without giving medical advice.

