Gallbladder neuroendocrine tumor

What it is

From: Orphanet

A rare, very aggressive neuroendocrine neoplasm characterized by the presence of nodular mass(es) arising from the neck, fundus or body of the gallbladder or by diffuse thickening of the gallbladder wall. Patients may be asymptomatic (diagnosed incidentally after surgical resection of the gallbladder) or may present epigastric pain, abdominal mass and/or non-specific symptoms, such as nausea, jaundice, flushing, cough, wheezing, ascites, and anepithymia. Paraneoplastic syndromes, such as Cushing syndrome, hypercalcemia, acanthosis nigricans, bullous pemphigoid, dermatomyositis and the Leser-Trélat sign, may be associated.

Reported clinical features and what the terms mean

The following findings are associated with this condition in Orphanet. They are not a checklist for diagnosing yourself, and they do not all occur in every affected person. Some are examination, imaging or laboratory findings that cannot be recognised at home.

The frequency labels describe how often a finding was reported among people with the condition in the source. They do not give the chance that a person with that symptom has the condition. Definitions below reproduce HPO terminology; they explain the term, not the likely severity in an individual.

Biliary tract neoplasm · Obligate (100%)

A tumor (abnormal growth of tissue) of the biliary system.

Neuroendocrine neoplasm · Obligate (100%)

A tumor that originates from a neuroendocrine cell.

Abdominal distention · Frequent (79-30%)

Distention of the abdomen.

Anorexia · Frequent (79-30%)

Lack of desire to eat (loss of appetite).

Ascites · Frequent (79-30%)

Accumulation of fluid in the peritoneal cavity (between the layers of the peritoneum that lines the abdomen).

Biliary tract obstruction · Frequent (79-30%)

Obstruction affecting the biliary tree.

Cholecystitis · Frequent (79-30%)

The presence of inflammatory changes in the gallbladder.

Chronic fatigue · Frequent (79-30%)

Subjective feeling of tiredness characterized by a lack of energy and motivation that persists for six months or longer.

Chronic noninfectious lymphadenopathy · Frequent (79-30%)

A chronic form of lymphadenopathy that is not related to infection.

Elevated alkaline phosphatase of hepatic origin · Frequent (79-30%)

An abnormally increased level of liver isoforms of alkaline phosphatase, tissue-nonspecific isozyme in the blood.

Elevated gamma-glutamyltransferase level · Frequent (79-30%)

Increased level of the enzyme gamma-glutamyltransferase (GGT). GGT is mainly present in kidney, liver, and pancreatic cells, but small amounts are present in other tissues.

Episodic abdominal pain · Frequent (79-30%)

An intermittent form of abdominal pain.

Extrahepatic cholestasis · Frequent (79-30%)

Impairment of bile flow due to obstruction in large bile ducts outside the liver.

Intermittent jaundice · Frequent (79-30%)

Jaundice that is sometimes present, sometimes not.

Other findings in the same source

From: Orphanet

Additional reported features include Nausea (Frequent (79-30%)); Weight loss (Frequent (79-30%)); Abnormal brain FDG positron emission tomography (Very rare (<4-1%)); Neoplasm of the nervous system (Very rare (<4-1%)). This is a selected summary, not a complete description of the condition.

When it may begin

From: Orphanet

Adult

Which doctor should you see?

The suggested department for discussing Gallbladder neuroendocrine tumor is Oncology, with a oncologist and relevant organ specialist as the relevant type of clinician. General physician / Family Medicine; paediatrician for children. Referral depends on symptoms.

Additional services that may be relevant, depending on the findings, include: Relevant organ specialist / Surgical Oncology as indicated.

This is an editorial referral starting point. The appropriate clinic depends on the person’s age, symptoms, previous diagnosis and local services. The first clinician can decide whether another specialty or a team is needed; a department label does not confirm the diagnosis.

How to prepare for an assessment

Bring a short timeline of the main symptoms: when they first appeared, whether they are constant or episodic, what seems to change them, and how they affect daily activities. Include previous reports, discharge summaries, current medicines and supplements, allergies, and any relevant family history. A dated record is more useful than trying to match every feature in an online article.

Ask the clinician what is already established and what remains uncertain. If a test is suggested, ask what question it answers, what its limitations are and how the result would change the next step. The information here is not an instruction to arrange every possible test. In children, bring growth, developmental and school information if it is relevant to the concern.

• Has the exact tumour type been confirmed, and is staging relevant?
• What is the goal of each proposed treatment option?
• How will side effects, daily function and supportive care be addressed?

Treatment discussions and follow-up

The material gathered for this draft does not provide a complete condition-specific treatment pathway for Gallbladder neuroendocrine tumor. That gap does not mean that treatment is unavailable. A clinician needs to establish the diagnosis and review current guidance before recommending medicines, procedures, rehabilitation or other support.

Before leaving the appointment, clarify the next review date, who will communicate results, and whom to contact if the situation changes. Discuss difficulties with sleep, work, school, mobility, eating or emotional wellbeing when these are relevant. Practical support may require coordination between the treating clinician and other services.

The collected references do not establish a complete prevention or long-term outlook section for this entry. Missing information should not be interpreted as proof that prevention is impossible or that a particular outcome is inevitable. Ask what is known for the exact subtype, stage and personal circumstances, and which uncertainties remain.

When to seek emergency help

Severe breathing difficulty, collapse, new stroke-like symptoms, a seizure that is prolonged or repeated without recovery, uncontrolled major bleeding, or an immediate risk of self-harm require emergency help. In India, call 112 or reach the nearest emergency department. This is a general, non-exhaustive warning list; it is not a condition-specific triage tool.