olfactory neuroblastoma

What is Hyams grade?

What is Hyams grade? The Hyams grade is a system that divides olfactory neuroblastomas into four levels or grades in order to help predict how the tumour will behave over time. Hyams grade 1 and 2 tumours are called low-grade while Hyams grade 3 and 4 tumours are called high-grade. The Hyams grade is important …
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Your pathology report for olfactory neuroblastoma

Olfactory neuroblastoma is a rare type of cancer that starts in cells normally found high in the nasal cavity. These cells play a role in detecting odors and sending smell-related signals to the brain. This tumour usually begins near the roof of the nasal cavity, close to a thin bone called the cribriform plate, which separates …
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