Um, Letâs Rethink That Salute (1930s) Again, in his book To the Flag: The Unlikely History of the Pledge of Allegiance, Richard J. Ellis explains that by the mid-1930s, Americans had begun to notice eerie similarities between the Bellamy salute and the âHeil Hitlerâ salute.
A lumbar puncture may be used to collect a sample of cerebrospinal fluid in order to detect the presence of certain types of cancer or infection. Lumbar punctures may also be used to inject medications, such as spinal anesthesia or chemotherapy drugs.
Most of the times such lumps are harmless. Nonetheless, I would suggest that you get this lump looked at by your doctor in order to confirm the exact nature of it to rule out other malignant skin cancer such as melanoma and squamous cell carcinoma. Your doctor may order an ultrasound of that area to help in knowing its exact cause.