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Doctor insights on: Painless Lump On Sacrum

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I have severe LB/glute pain primarily on left side.l I noticed a (fluid like) lump on sacrum bilaterally but larger on left. What could this be?

 I have severe LB/glute pain primarily on left side.l I noticed a (fluid like) lump on sacrum bilaterally but larger on left. What could this be?

Get a scan: The differential diagnosis would include fat necrosis, partial or full disc herniation, sacrococcygeal mass, cutaneous tumors, and poorly exercised paraspinal muscles. I suggest you see a physical therapist to have the area evaluated and go from there, if the answer is not simple an MRI may be needed to identify what lies beneath the skin for diagnosis and therapy ...Read more

Sacrum (Definition)

Below the lumbar spine and above the tailbone or coccyx lies the sacrum. The sacrum is part of the spine and interacts with the pelvis ...Read more


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My mother has a mass calcification in the sacrum area and has severe pain ?

My mother has a mass calcification in the sacrum area and has severe pain ?

Work it up!: Hi. Whoever ordered the CT scan showing a calcified mass in the sacrum should be moving on it! Probably either a need biopsy or open surgical resection. A calcified mass may be sometime she doesn't want in there! ...Read more

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Hard lump in lower sacrum with sciatica and neck pain on both sides on and off, lymph nodes up in neck and groin, I get the shakes on exertion?

Hard lump in lower sacrum with sciatica and neck pain on both sides on and off, lymph nodes up in neck and groin, I get the shakes on exertion?

Exam NOW: You cannot be diagnosed online. You must be physically examined, evaluated, tested, diagnosed and treated. I suggest IMMEDIATE MEDICAL EVALUATION-STAT. ...Read more

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LUMP ON SACRUM JUST ABOVE CRACK OF BUTTOCKS, DR THOUGHT IT WAS A CYST HAD SONOGRAM TODAY DR SAYS ITS A HEMATOMA OR MASS. I VERY SCARED ITS CANCER?

 LUMP ON  SACRUM JUST ABOVE CRACK OF BUTTOCKS, DR THOUGHT IT WAS A CYST  HAD  SONOGRAM TODAY DR SAYS ITS A HEMATOMA OR MASS. I VERY SCARED ITS CANCER?

Need further eval: would be unusual if its cancer. No sure what the swollen nodes in our neck are all about or if it's related may need biopsy- possibly CT for further eval. ...Read more

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What causes my sacrum or sacroiliac 2 pop when i move certain ways? Injured that area n 2012 & n the past couple of months it happens a lot & no pain.

Weak ligaments : The sacroiliac ligament and iliolumbar ligaments help to hold the lower back together. Due to its poor blood supply it is hard to heal. Prolotherapy can help to fix that area quicker. ...Read more

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Slight discomfort (no pain/numb) in lower back (sacrum) after sledding on back over a ramp; feels loose when jumping. Any strengthening or concerns?

Needs evaluation.: An orthopedic surgeon might be helpful. If his examination suggests any abnormality, MRI imaging could clarify the status of your spine. There is no x-ray exposure from an mri. ...Read more

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DX SI Joint Dysfunction.When rising from the bed heard loud pop from my sacrum. No pain. Is this a realignment or the joint shifting?

DX SI Joint Dysfunction.When rising from the bed heard loud pop from my sacrum. No pain. Is this a realignment or the joint shifting?

No pain, less worry: There are a number of reasons for hearing a "pop." A "pop with no pain is not likely a major concern. Popping could be from the joint shifting and/or a tendon or ligament snapping as it moves. Unless this is happening often, I wouldn't be concerned. ...Read more

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I have a firm, rubbery mass on the right side of my sacrum. It is about the size of my thumb - painless - and somewhat movable. Should I see a doctor?

Eventually but...: I have one of those too (same location), but it is more the size of a peanut. This is almost certainly a benign growth like a lipoma and does not need treatment. If it enlarges or becomes painful then seek attention sooner, otherwise I think it is reasonable to wait until you are seeing a doctor for some other reason and you can show it to him or her then. ...Read more

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I developed a bump in my lower back on the left side above the sacrum, it's only sore when pressure is applied.This happened after deadlifts at the gym

Suspect muscle: This could be a cyst which may or may not be infected. With this there could be muscle or bone or joint or combination with tendon and bursa involvement as part of the pain. Sometimes at a gym there's risk of infection. Sometimes if you look at the bump there may be a small hole that may be plugged indicating a possible inclusion cyst. ...Read more

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Sacrum stiff, pelvic/hip movement cause pain, esp morning n after inactivity. Muscles at hip spasm. No pain at groin. What can be the cause?

Hip pain and spasm: You list numerous issues involving your musculoskeletal system. You have morning stiffness which goes with arthritis. You have to be worked up by a good physician and maybe be seen by a gerontologist. ...Read more