ICD-10: A06.3

Ameboma of intestine

Clinical Information

Inclusion Terms

  • Ameboma NOS

Additional Information

Description

Ameboma of the intestine, classified under ICD-10 code A06.3, is a specific manifestation of amebiasis, which is an infection caused by the protozoan parasite Entamoeba histolytica. This condition is characterized by the formation of a mass or tumor-like structure in the intestinal wall due to the inflammatory response to the infection.

Clinical Description

Pathophysiology

Ameboma occurs when E. histolytica invades the intestinal mucosa, leading to ulceration and subsequent granulomatous inflammation. This inflammation can result in the formation of a localized mass, which may mimic a neoplasm on imaging studies. The ameboma is typically found in the colon, particularly in the cecum and rectum, but it can also occur in other parts of the gastrointestinal tract.

Symptoms

Patients with an ameboma may present with a variety of gastrointestinal symptoms, including:
- Abdominal pain or discomfort
- Diarrhea, which may be bloody or mucoid
- Weight loss
- Fever
- Tenesmus (a feeling of incomplete defecation)

In some cases, the symptoms can be severe, leading to complications such as intestinal obstruction or perforation, which are medical emergencies.

Diagnosis

Diagnosis of ameboma typically involves a combination of clinical evaluation, imaging studies, and laboratory tests. Key diagnostic methods include:
- Stool examination: Microscopic identification of E. histolytica cysts or trophozoites.
- Imaging studies: CT scans or ultrasounds may reveal thickening of the intestinal wall or the presence of a mass.
- Endoscopy: Colonoscopy can be used to visualize the lesions directly and obtain biopsy samples for histopathological examination.

Treatment

The treatment of ameboma involves the use of anti-amebic medications, such as metronidazole or tinidazole, to eliminate the infection. In cases where there is significant obstruction or perforation, surgical intervention may be necessary to remove the affected segment of the intestine.

Conclusion

Ameboma of the intestine (ICD-10 code A06.3) represents a serious complication of amebiasis, requiring prompt diagnosis and treatment to prevent severe outcomes. Understanding the clinical presentation, diagnostic methods, and treatment options is crucial for healthcare providers managing patients with this condition. Early intervention can significantly improve patient outcomes and reduce the risk of complications associated with this intestinal infection.

Clinical Information

Ameboma of the intestine, classified under ICD-10 code A06.3, is a complication of amebic infection, primarily caused by the parasite Entamoeba histolytica. This condition can lead to significant gastrointestinal issues and requires careful clinical evaluation. Below is a detailed overview of the clinical presentation, signs, symptoms, and patient characteristics associated with this diagnosis.

Clinical Presentation

Ameboma typically presents as a mass-like lesion in the intestinal wall, often resembling a tumor. It is most commonly found in the colon but can occur in other parts of the gastrointestinal tract. The condition arises as a result of chronic amebic colitis, where the parasite invades the intestinal mucosa, leading to inflammation and the formation of a localized mass.

Signs and Symptoms

Patients with ameboma may exhibit a range of signs and symptoms, which can vary in severity:

  • Abdominal Pain: Often localized to the lower abdomen, the pain can be crampy or colicky in nature.
  • Diarrhea: Patients may experience intermittent diarrhea, which can be bloody or mucoid, reflecting the underlying inflammation and ulceration of the intestinal lining.
  • Weight Loss: Chronic diarrhea and malabsorption can lead to significant weight loss over time.
  • Fever: Some patients may present with low-grade fever, indicating an inflammatory response.
  • Nausea and Vomiting: These symptoms may occur, particularly if there is significant intestinal obstruction or irritation.
  • Tenesmus: A sensation of incomplete evacuation after a bowel movement may be reported, often associated with rectal involvement.

Complications

In severe cases, ameboma can lead to complications such as intestinal obstruction, perforation, or abscess formation, which can present with acute abdominal symptoms requiring urgent medical attention.

Patient Characteristics

Certain demographic and clinical characteristics may predispose individuals to develop ameboma:

  • Geographic Location: Higher prevalence is noted in tropical and subtropical regions where E. histolytica is endemic, particularly in areas with poor sanitation.
  • Age: While amebic infections can occur at any age, young adults and middle-aged individuals are often more affected.
  • Immunocompromised Status: Patients with weakened immune systems, such as those with HIV/AIDS or other immunosuppressive conditions, are at increased risk for severe manifestations of amebic infections, including ameboma.
  • Travel History: Individuals who have traveled to endemic areas may have a higher risk of infection and subsequent complications.

Conclusion

Ameboma of the intestine is a serious condition resulting from chronic amebic infection, characterized by specific gastrointestinal symptoms and signs. Early recognition and treatment are crucial to prevent complications. Clinicians should consider the patient's demographic factors, travel history, and clinical presentation when diagnosing and managing this condition. If you suspect a case of ameboma, further diagnostic imaging and stool examinations for E. histolytica may be warranted to confirm the diagnosis and guide treatment.

Approximate Synonyms

Ameboma of the intestine, classified under the ICD-10-CM code A06.3, refers to a specific type of intestinal lesion caused by the parasitic infection of Entamoeba histolytica. This condition can lead to significant gastrointestinal complications. Below are alternative names and related terms associated with this diagnosis.

Alternative Names for Ameboma of Intestine

  1. Amebic Colitis: This term is often used interchangeably with ameboma, although it generally refers to inflammation of the colon due to amebic infection rather than the specific lesion.

  2. Amebic Abscess: While not identical, this term can sometimes be associated with ameboma, as both involve the effects of Entamoeba histolytica, though an abscess typically refers to a localized collection of pus.

  3. Amebic Tumor: This term may be used in some contexts to describe the mass effect of an ameboma, highlighting its tumor-like appearance in imaging studies.

  4. Intestinal Amebiasis: This broader term encompasses all forms of intestinal infection caused by Entamoeba histolytica, including ameboma.

  1. Entamoeba histolytica: The protozoan parasite responsible for causing amebic infections, including ameboma.

  2. Amebic Dysentery: A severe form of intestinal amebiasis characterized by diarrhea with blood and mucus, which can lead to complications such as ameboma.

  3. Chronic Intestinal Amebiasis (A06.1): This related ICD-10 code refers to a chronic form of the disease that may lead to the development of amebomas.

  4. Intestinal Lesion: A general term that can refer to any abnormal tissue in the intestine, including those caused by infections like amebiasis.

  5. Gastrointestinal Complications: This term encompasses various issues that can arise from intestinal infections, including perforation, abscess formation, and obstruction, which may be associated with ameboma.

Understanding these alternative names and related terms can help in the accurate diagnosis and treatment of conditions associated with ameboma of the intestine. If you have further questions or need more specific information, feel free to ask!

Diagnostic Criteria

Ameboma of the intestine, classified under ICD-10 code A06.3, is a complication of amebiasis, which is caused by the protozoan parasite Entamoeba histolytica. The diagnosis of ameboma involves several criteria, which can be categorized into clinical, laboratory, and imaging findings.

Clinical Criteria

  1. Symptoms: Patients typically present with gastrointestinal symptoms, which may include:
    - Abdominal pain or cramping
    - Diarrhea, which may be bloody
    - Weight loss
    - Fever
    - Tenesmus (a feeling of incomplete bowel evacuation)

  2. History of Infection: A history of amebic infection or travel to endemic areas where E. histolytica is prevalent can support the diagnosis.

Laboratory Criteria

  1. Stool Examination: Microscopic examination of stool samples can reveal:
    - The presence of Entamoeba histolytica cysts or trophozoites.
    - Fecal leukocytes, indicating inflammation.

  2. Serological Tests: Serological tests can be performed to detect antibodies against E. histolytica, which may support the diagnosis, especially in cases where stool examination is inconclusive.

  3. PCR Testing: Polymerase chain reaction (PCR) testing can be utilized for more definitive identification of E. histolytica DNA in stool samples.

Imaging Studies

  1. Abdominal Imaging: Imaging studies such as ultrasound or CT scans can help visualize the intestinal mass associated with ameboma. Findings may include:
    - A mass-like lesion in the intestine, often resembling a tumor.
    - Thickening of the intestinal wall.
    - Possible abscess formation or other complications.

  2. Endoscopy: In some cases, endoscopic examination may be performed to directly visualize the intestinal mucosa and obtain biopsy samples, which can confirm the presence of amebic infection.

Differential Diagnosis

It is crucial to differentiate ameboma from other conditions that can cause similar symptoms, such as:
- Colorectal cancer
- Tuberculosis
- Crohn's disease
- Other infectious colitides

Conclusion

The diagnosis of ameboma of the intestine (ICD-10 code A06.3) relies on a combination of clinical symptoms, laboratory findings, and imaging studies. A thorough evaluation is essential to confirm the diagnosis and rule out other potential causes of intestinal masses. If you suspect amebiasis or ameboma, it is advisable to consult a healthcare professional for appropriate testing and management.

Treatment Guidelines

Ameboma of the intestine, classified under ICD-10 code A06.3, is a complication of amebiasis, primarily caused by the protozoan parasite Entamoeba histolytica. This condition can mimic intestinal tumors and is characterized by the formation of a mass in the intestinal wall due to chronic inflammation and tissue response to the infection. The standard treatment approaches for ameboma typically involve a combination of pharmacological and supportive measures.

Pharmacological Treatment

Antiparasitic Medications

The cornerstone of treatment for ameboma is the use of antiparasitic medications. The following drugs are commonly prescribed:

  • Metronidazole: This is the first-line treatment for amebiasis and is effective against the trophozoite form of E. histolytica. A typical course lasts for 7 to 10 days, with dosages varying based on the severity of the infection[1].

  • Tinidazole: An alternative to metronidazole, tinidazole is also effective against E. histolytica and may be preferred due to its shorter treatment duration and potentially fewer side effects[1].

  • Iodoquinol: This medication is often used in conjunction with metronidazole or tinidazole to eliminate cysts and prevent recurrence[1].

Supportive Care

In addition to antiparasitic therapy, supportive care is crucial, especially in cases where the patient presents with severe symptoms such as dehydration or malnutrition. This may include:

  • Fluid Replacement: Oral rehydration solutions or intravenous fluids may be necessary to address dehydration caused by diarrhea[1].

  • Nutritional Support: Ensuring adequate nutrition is vital, particularly if the patient has experienced significant weight loss or malabsorption due to intestinal involvement[1].

Surgical Intervention

In some cases, particularly when there is a significant obstruction or if the ameboma is large, surgical intervention may be required. This could involve:

  • Resection of Affected Intestinal Segment: Surgical removal of the ameboma may be necessary if it causes complications such as bowel obstruction or perforation. The decision for surgery is typically made based on imaging studies and clinical evaluation[1].

  • Drainage of Abscesses: If an abscess forms as a result of the infection, drainage may be required to alleviate symptoms and prevent further complications[1].

Monitoring and Follow-Up

Post-treatment monitoring is essential to ensure the resolution of the infection and to prevent recurrence. Follow-up may include:

  • Stool Examination: Regular stool tests to check for the presence of E. histolytica cysts or trophozoites can help confirm the effectiveness of treatment[1].

  • Symptom Assessment: Monitoring for any return of symptoms, such as abdominal pain or diarrhea, is crucial for early detection of complications or recurrence[1].

Conclusion

The management of ameboma of the intestine involves a comprehensive approach that includes antiparasitic medications, supportive care, and potentially surgical intervention. Early diagnosis and treatment are critical to prevent complications and ensure a favorable outcome. Regular follow-up is necessary to monitor for recurrence and to assess the effectiveness of the treatment regimen. If you suspect amebiasis or related complications, it is essential to seek medical attention promptly.

For further information or specific case management, consulting a healthcare professional is recommended.

Related Information

Description

  • Inflammatory mass in intestinal wall due to E. histolytica
  • Localized tumor-like structure in colon or rectum
  • Ulceration and granulomatous inflammation caused by parasite
  • Abdominal pain, diarrhea, weight loss, fever symptoms
  • Tenesmus, bloody or mucoid diarrhea possible
  • Intestinal obstruction or perforation can occur
  • Diagnosis involves stool exam, imaging studies, endoscopy

Clinical Information

  • Localized mass in intestinal wall
  • Presents like tumor in colon or GI tract
  • Caused by Entamoeba histolytica parasite
  • Result of chronic amebic colitis inflammation
  • Abdominal pain crampy or colicky
  • Diarrhea bloody or mucoid
  • Weight loss due to malabsorption
  • Fever indicating inflammatory response
  • Nausea and vomiting with obstruction
  • Tenesmus sensation of incomplete evacuation

Approximate Synonyms

  • Amebic Colitis
  • Amebic Abscess
  • Amebic Tumor
  • Intestinal Amebiasis

Diagnostic Criteria

  • Abdominal pain or cramping
  • Bloody diarrhea
  • Weight loss
  • Fever
  • Tenesmus feeling
  • History of amebic infection
  • Travel to endemic areas
  • Presence of E. histolytica cysts
  • Trophozoites in stool samples
  • Fecal leukocytes
  • Antibodies against E. histolytica
  • E. histolytica DNA by PCR
  • Mass-like lesion in intestine
  • Intestinal wall thickening
  • Abscess formation

Treatment Guidelines

  • Metronidazole first-line antiparasitic treatment
  • Tinidazole alternative for trophozoite form
  • Iodoquinol eliminates cysts and prevents recurrence
  • Fluid replacement addresses dehydration symptoms
  • Nutritional support vital for malnutrition cases
  • Surgical resection for significant obstruction
  • Drainage of abscesses for symptom relief

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It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with questions about your medical condition.