Tuesday, November 11, 2014

Lump on the top of the foot aka Ganglion Cyst of foot

Often, patients come into my office with a complaint of having a lump on the top of the foot. Sometimes they are referred here promptly from their primary care physician with concerned about this lump for possibility of cancer. The reality is that most of these lesions on the top of the foot happens to be a benign ganglion cyst.   

What is a ganglion cyst?

A ganglion cyst is a fluid filled sac usually with synovial synovial fluid. The synovial fluid has a very high viscosity which is the same fluid as a joint or a tendon which are two of the most common sites of origin of this to cyst. However, there are situations , and conditions that mimic a ganglion cyst that can be cancerous they are synovial sarcoma, giant cell, tumors or even bone tumors,  an MRI scan with contrast can help to differentiate the lesion.    Your podiatric surgeon will assess your individual situation. Those that require excision are:  rapidly increasing in size,  discoloration or  limits your ability to walk. 

Family Foot & Leg Center, we keep you walking and treat these bumps with ease. 
239 430 3668  option #2. 

Additional information from the American College of Foot and Ankle Surgeon about ganglion cyst below.

Ganglion Cyst

What Is a Ganglion Cyst?A ganglion cyst is a sac filled with a jellylike fluid that originates from a tendon sheath or joint capsule. The word “ganglion” means “knot” and is used to describe the knot-like mass or lump that forms below the surface of the skin.
GanglionGanglion cysts are among the most common benign soft-tissue masses. Although they most often occur on the wrist, they also frequently develop on the foot – usually on the top, but elsewhere as well. Ganglion cysts vary in size, may get smaller and larger, and may even disappear completely, only to return later.
CausesAlthough the exact cause of ganglion cysts is unknown, they may arise from trauma – whether a single event or repetitive micro-trauma.
SymptomsA ganglion cyst is associated with one or more of the following symptoms:
  • A noticeable lump – often this is the only symptom experienced
  • Tingling or burning, if the cyst is touching a nerve
  • Dull pain or ache – which may indicate the cyst is pressing against a tendon or joint
  • Difficulty wearing shoes due to irritation between the lump and the shoe
DiagnosisTo diagnose a ganglion cyst, the foot and ankle surgeon will perform a thorough examination of the foot. The lump will be visually apparent and, when pressed in a certain way, it should move freely underneath the skin. Sometimes the surgeon will shine a light through the cyst or remove a small amount of fluid from the cyst for evaluation. Your doctor may take an x-ray, and in some cases additional imaging studies may be ordered.
Non-Surgical TreatmentThere are various options for treating a ganglion cyst on the foot:
  • Monitoring, but no treatment. If the cyst causes no pain and does not interfere with walking, the surgeon may decide it is best to carefully watch the cyst over a period of time.
  • Shoe modifications. Wearing shoes that do not rub the cyst or cause irritation may be advised. In addition, placing a pad inside the shoe may help reduce pressure against the cyst.
  • Aspiration and injection. This technique involves draining the fluid and then injecting a steroid medication into the mass. More than one session may be needed. Although this approach is successful in some cases, in many others the cyst returns.
When is Surgery Needed?When other treatment options fail or are not appropriate, the cyst may need to be surgically removed. While the recurrence rate associated with surgery is much lower than that experienced with aspiration and injection therapy, there are nevertheless cases in which the ganglion cyst returns.

FFLC treats these and other foot / ankle ailments with ease. Call: 239 430 3668 option 2. 

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