What are inflammatory pseudotumors?
Inflammatory pseudotumor (IPT) is a term used to describe a benign and rare process most commonly involving the lung and orbit but found in nearly every site in the body. This entity has been described by several names and histologic presentations and as mimicking neoplastic processes.
What is an inflammatory mass?
Inflammatory conditions, such as rheumatoid arthritis, can also result in soft tissue masses. Even metabolic conditions, such as hyperlipidemia (high blood fat levels), can cause masses to form that may look like tumors.
What causes mucus in the appendix?
Mucocele formation is most commonly caused by epithelial proliferation, either benign or malignant. Much less frequently, inflammatory or obstructive causes, to include appendicitis and obstruction by a fecalith or appendicolith, are the cause of mucocele formation.
What is jelly belly medical condition?
The most common symptoms in individuals with pseudomyxoma peritonei occur due to progressively increasing mucinous tumor within the abdomen and pelvis. Usually, the most common symptom is increasing abdominal size (so called “jelly belly”) and abdominal discomfort from pressure.
What causes orbital pseudotumor?
The etiology of orbital pseudotumor is unknown, but infection, autoimmune disorder, and aberrant wound healings have been put forward as possibilities. The disorder has also been associated with infectious diseases such as Streptococcal pharyngitis, viral upper respiratory infection and Borrelia burgdorferi infection.
What is a Myofibroblastic Tumour?
An inflammatory myofibroblastic tumor (IMT) is an uncommon, usually benign (non-cancerous) tumor made up of cells called myofibroblastic spindle cells. It usually develops in children or young adults, but can affect people of any age.
Can you have appendicitis without fever?
Conclusions: The diagnosis of acute appendicitis cannot be excluded when an adult patient presents with isolated rebound tenderness in the right lower quadrant even without fever and biological inflammatory signs. In our study, ultrasonography and computed tomography were very helpful when making the final diagnosis.
What is mucinous carcinomatosis?
Peritoneal Mucinous Carcinomatosis is a rare type of cancer that affects the lining of the abdominal cavity called the peritoneum. It occurs when cancer cells from other parts of the body, such as the appendix, colon, gall bladder, liver, rectum, or pancreas, metastasize and implant into the lining of the peritoneum.
What is PMP disease?
Pseudomyxoma peritonei (PMP) is a rare disease characterized by the presence of mucin in the abdominal (peritoneal) cavity. While the most common cause of PMP is appendix cancer, several types of tumors (including non-cancerous tumors ) can cause PMP.
What are the signs and symptoms of appendicitis?
Signs and symptoms of appendicitis may include: Sudden pain that begins around your navel and often shifts to your lower right abdomen The site of your pain may vary, depending on your age and the position of your appendix.
What are the signs and symptoms of pseudomyxoma peritonei?
Signs and symptoms may include an increase in abdominal size or bloating; inguinal hernia (in men); an ovarian mass that may be felt during a routine pelvic exam (in women); pain or discomfort in the abdomen; and/or appendicitis.
When to go to the doctor for appendix pain?
The site of your pain may vary, depending on your age and the position of your appendix. When you’re pregnant, the pain may seem to come from your upper abdomen because your appendix is higher during pregnancy. Make an appointment with a doctor if you or your child has worrisome signs or symptoms.
When to go to the ER for appendicitis?
Appendicitis is a medical emergency that requires immediate care. See a doctor or go to the emergency room right away if you think you or your child has appendicitis. A doctor can help treat appendicitis, reduce symptoms, and lower the chance of complications.