Learn about the different types of scalp conditions and their causes, what they look like, and treatment options. What are scalp tumours? The scalp comprises the area from the back of the head (beginning at the superior nuchal lines) to the … Pimple-like bumps on the scalp that cause pain are usually due to folliculitis, while other causes of painful scalp bumps include an … A sample of fluid from your lesion may show bacteria, a virus, or a fungus. A biopsy may show if your scalp lesion is caused by … Find some common causes of those painful sores on your head and scalp. Manage your skincare effectively & understand some …