Pseudocyst

Pseudocyst is a pathological condition characterized by a cyst-like sac that is not lined by epithelium. Instead, it is surrounded by a wall of fibrous or granulation tissue. Pseudocysts can occur in various parts of the body and are often associated with conditions such as pancreatitis, trauma, or infection.

Definition

A pseudocyst is a collection of fluid enclosed by a wall of fibrous or granulation tissue. Unlike true cysts, pseudocysts do not have an epithelial lining. The term "pseudocyst" is derived from the Greek words "pseudo", meaning false, and "cyst", meaning sac.

Causes

Pseudocysts can be caused by a variety of conditions. They are often associated with pancreatitis, particularly chronic pancreatitis. They can also occur as a result of trauma or infection. In some cases, pseudocysts can form in the absence of any identifiable cause.

Symptoms

The symptoms of a pseudocyst can vary depending on its location and size. Common symptoms include pain, swelling, and discomfort in the area of the pseudocyst. If the pseudocyst is located in the pancreas, symptoms may also include nausea, vomiting, and weight loss.

Diagnosis

The diagnosis of a pseudocyst is typically made through imaging studies such as ultrasound, computed tomography (CT) scan, or magnetic resonance imaging (MRI). These tests can help to identify the presence and location of the pseudocyst, as well as its size and characteristics.

Treatment

The treatment of a pseudocyst depends on its cause, location, and size, as well as the patient's symptoms and overall health. Treatment options may include observation, drainage, or surgery. In some cases, treatment of the underlying condition, such as pancreatitis, may also be necessary.

See also

• Cyst
• Pancreatitis
• Computed tomography (CT) scan
• Magnetic resonance imaging (MRI)