Compression of the thecal sac means the protective membrane covering the spinal cord is experiencing extra pressure, according to Merck Manuals. Effacement of the thecal sac means that the thecal sac is being shortened or narrowed, according to the Free Dictionary.Know More
Effacement of the thecal sac and compression of the thecal sac are diagnoses frequently found on MRI imaging reports for patients complaining of back pain, according to ChiroGeek. MRI scans are typically performed to aid physicians in diagnosing the sources of lumbar or radicular pain in the lower back.
The thecal sac could be compressed by bone, the accumulation of blood, abscesses, tumors or a ruptured or herniated vertebral disk, according to Merck Manuals. Thecal sac compression also could result from the hardening of certain connective tissues as one ages. Compressive forces from hypertrophy of ligamentum flavum also could be impacting the thecal sac, according to ChiroGeek.
Though severe thecal sac compression may limit proper circulation of cerebral spinal fluid, most cases of impingement on the sac generally resolve without treatment, according to The Back Pain Authority. Disc herniations of the central vertebrae are most likely to impinge upon the thecal sac. Thecal sac compression usually produces no noticeable symptoms.Learn more about Pain & Symptoms
Nasal vestibulitis and a nasal furuncle can cause a bump inside the nose, according to Merck Manuals. Paranasal sinus and nasal cavity cancer is another possible cause of a bump inside the nose, states the National Cancer Institute.Full Answer >
Small red bumps on the soft palate of the mouth may indicate infectious mononucleosis or a blood disorder, according to Merck Manuals. Patients may experience other symptoms, like raised glands and a fever with mononucleosis.Full Answer >
Salivary gland tumors are possible causes of tiny lumps on the inside of the cheek, according to Merck Manuals. Oral cysts may also cause tiny, painless bumps inside the cheek, on the inner lower lip or on gums, says Simple Steps to Better Dental Health.Full Answer >
When a person feels faint, it means there is an inadequate flow of blood to the brain temporarily according to the Mayo Clinic. Feeling faint can be caused by many things including stress and anxiety.Full Answer >