crystal clinic orthopaedic center summit hand

Masses and Cysts


  • Ganglion Cysts

    Ganglion cysts are swellings that most commonly develop along the tendons or joints of wrists or hands.

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  • Lipoma

    A lipoma is a non-cancerous growth of fat cells under the skin. Lipomas can occur anywhere in the body but are most commonly found on the shoulders, neck, chest, arms and the back.

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  • Giant Cell Tumor of The Tendon Sheath

    Tendon sheaths are membranous sheaths that protect and lubricate tendons allowing them to move freely. A giant cell tumor is a type of tumor that sometimes develops in the tendon sheaths of the hand and wrist.

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  • Aneurysms

    An aneurysm is a portion of an artery that widens or balloons due to weakening of its wall. Aneurysms can develop in the hand and wrist due to trauma. A clot may develop inside the affected artery obstructing blood flow.

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  • Epidermal Inclusion Cyst

    An epidermal inclusion cyst is a benign tumor filled with a cheese-like substance called keratin that can develop underneath the skin in areas of previous injuries such as a cut or puncture.

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  • Enchondroma

    Enchondroma is a benign tumor that develops in the cartilage within bones. It usually does not require treatment unless there are multiple tumors that weaken the bone.

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  • Giant Cell Tumor

    The giant cell tumor of bone is a benign (noncancerous) but aggressive tumor. It is rare and usually occurs between the ages of 20 to 40 years. The tumor gets its name from the aggregation of many cells to form giant cells, when viewed under the microscope.

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  • Unicameral Bone Cyst

    A unicameral bone cyst is a benign tumor that is more common in children. It develops as a cyst (fluid-filled cavity) near the end of the thigh bone or upper arm bone, near the joint.

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  • Aneurysmal Bone Cyst

    A bone cyst is a benign, non-cancerous, fluid-filled cavity of the bone which occurs mostly in children and young adults. There are two types of bone cysts: unicameral bone cyst and aneurysmal bone cyst.

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  • Heterotopic Ossification

    Heterotopic ossification is the abnormal formation of bone in the soft tissues. It can happen spontaneously or after trauma or surgery.

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  • Neurilemmoma (Schwannoma)

    A schwannoma is the abnormal growth of Schwann cells, which line and insulate nerves. It is usually benign and rarely spreads to affect other tissues and organs, but malignant...

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  • Neurofibroma

    Neurofibroma is a benign tumor that develops in the nerve sheath and presents as a soft lump. The tumor is usually painless but may grow and compress on nerves causing pain or numbness.

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  • Neuroma

    Neuroma is a painful tumor that develops on nerve tissue due to scarring following trauma or surgery.

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  • Dupuytren's Disease

    Dupuytren’s disease is a condition in which tissue underneath the skin becomes abnormally thick with the formation of nodules, cords and pits. It may affect the palm of the hand as well as the fingers and often causes the fingers to bend towards the palm.

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  • Glomus Tumor

    Glomus tumors are benign tumors that develop in glomus bodies which are temperature regulating vascular structures usually found at the finger tips. The tumor often develops in the tissue under the fingernail.

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  • Hemangioma of Soft Tissue

    This is a benign vascular tumor that develops within the skin or muscles and usually presents as a painful swelling. It may be caused by a developmental abnormality or trauma.

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  • Squamous Cell Carcinoma

    Squamous cell carcinoma is a type of skin cancer that commonly affects the hand. It appears as small firm brown nodule that may result in crusting, bleeding or ulceration.

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  • Melanoma

    Melanoma is a cancer that develops in the pigment cells of the skin called melanocytes. Pigment cells produce melanin, the dark pigment present in the skin that gives its natural color.

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  • Dystrophic Calcification

    Dystrophic calcification is deposition of calcium in areas of damaged or necrotic tissue. This can occur in areas of injury, tumor infiltration and at surgical sites.

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  • Gout

    Gout is a very common, painful form of arthritis which causes swelling, redness and stiffness of the joints. Gout is caused by increased levels of uric acid in the tissues and blood from abnormal metabolism.

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  • Rheumatoid Nodules

    Individuals with rheumatoid arthritis may develop firm growths under the skin near the joints called rheumatoid nodules. The growths vary in size, are usually painless and commonly occur on the fingers, knuckles and elbows.

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  • Melorhestosis

    Melorhestosis is a thickening of the outer layer of bone called the cortical layer. It can affect bone and soft tissue growth leading to deformity, chronic pain and stiffness of the upper and lower extremities.

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  • Osteoblastoma

    Osteoblastoma is rare benign tumor of the bone which can develop in the spine and extremities. The condition mostly affects adolescents and young adults.

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  • Synovial Chondromatosis

    Synovial chondromatosis is a condition in which abnormal benign growths of cartilage develop in the synovial lining of the joints. This can damage the joint and lead to osteoarthritis.

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  • Calcific Tendonitis

    Calcific tendonitis is a condition in which calcium deposits develop within the tendons. It often occurs in the rotator cuff tendons of the shoulder and can cause pain and affect shoulder movement.

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  • Osteochondroma And Multiple Hereditary Exostosis

    An osteochondroma is an abnormal, noncancerous growth on the bone surface near the growing ends of long bones in children and adolescents.

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  • Osteoid Osteoma

    Osteoid osteoma is a benign tumor that often grows in the long bones but can also develop in the hands and fingers causing an aching pain. The tumors are small and produce a type of abnormal bone called osteoid bone that surrounds it.

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  • Multiple Myeloma

    Multiple myeloma is a cancerous condition characterized by abnormal growth and multiplication of plasma cells, a type of white blood cell. The cancer cells crowd out blood forming cells in the bone marrow and produce abnormal proteins leading to bone weakness, low blood count, infection and other problems.

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  • Osteomyelitis

    Osteomyelitis is infection of the bone. Bones can become infected through the bloodstream or because of trauma or surgery where the bone is exposed. People with certain medical conditions such as diabetes are more likely to develop osteomyelitis.

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  • Excision of Masses

    Most masses of the hands, wrist and forearms can be definitively treated by surgical excision and the rate of recurrence is low. Excision is usually an outpatient procedure following which the mass is sent for laboratory evaluation.

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  • Drainage of Cyst

    A needle may be used to aspirate fluid from a cyst which is painful, large, unacceptable or affects function. This decompresses the cyst, but recurrence is common.

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  • Biopsy

    Your doctor may recommend a biopsy of a tumor or cyst before deciding on treatment. This involves obtaining a sample of tissue or fluid from the tumor with a needle or cutting instrument for laboratory investigation.

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  • The American Board of  Orthopaedic Surgery
  • Allegheny General Hospital
  • University of Pittsburgh  Medical Center
  • University of Cincinnati College of Medicine
  • American Society for Surgery of the Hand
  • American Association for Hand Surgery: AAHS
  • Alpha Omega Alpha