A North Texas doctor weighed in Wednesday on details of a medical condition that a Frisco man says his 10-year-old son suffered from before he died.
Last week, Sumeet Dhawan said that his son, 10-year-old Arnav Dhawan, suffered from a microcephaly and a brain cyst.
Sumeet's claim came after his wife, Pallavi Dhawan, was charged with murder in Arnav's death.
"When he was born he had a couple of medical conditions," said Sumeet. "One condition is the microcephaly, which is an unusual size of the brain. The other one was he had a cyst in his brain, and the doctors had said when he was born that it could be a potential surgery, and also, potentially that he could have seizures."
"It's a measurement of the size of the head…it literally means small head," said neurosurgeon Nimesh Patel of Methodist Medical Center's Brain and Spine Institute, who isn't connected to the case.
Patel says that babies with small heads often have small brains, which can lead to developmental issues and other problems.
"When the bran isn't developed correctly, there are deficits that can happen; neurological development problems that can happen," he said. "Some of them can be learning disabilities. Some of it can be problems with seizures."
Patel says there are three causes of a microcephaly.
"One is Down syndrome," he said. "Two is fetal alcohol syndrome. The other is a generic abnormality called PKU."
Sumeet said that Arnav's condition could cause a limited lifespan, and Dr. Patel says that's true.
"Babies with microcephaly do have shortened life expectancy because of the maldeveloped brain," said Patel.
Monday, Sumeet went to Frisco police to try and get his son's medical records that wife Pallavi placed in a suitcase in her car, which was impounded upon her arrest.
Sumeet did not get the records.
How Arnav died will remain unknown until toxicology results come back. Frisco police said Wednesday that those results have not returned.
Arnav was found dead in a bathtub Jan. 30 in his parents' Frisco home.
Frisco Police said that Pallavi confessed to killing her son -- when asked by officers if she killed Arnav, they say she nodded her head, indicating yes.
Sumeet, however, denied that his wife nodded her head when she was questioned by police.
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