ICD-10: B87.0

Cutaneous myiasis

Clinical Information

Inclusion Terms

  • Creeping myiasis

Additional Information

Description

Cutaneous myiasis, classified under ICD-10-CM code B87.0, refers to a condition where fly larvae infest the skin, leading to a range of clinical manifestations. This condition is primarily caused by certain species of flies, particularly those in the family Calliphoridae, which are commonly known as blowflies. Below is a detailed overview of cutaneous myiasis, including its clinical description, symptoms, diagnosis, and treatment options.

Clinical Description

Definition

Cutaneous myiasis is characterized by the invasion of the skin by the larvae of flies, which can occur in various environments, particularly in tropical and subtropical regions. The larvae feed on the host's tissue, leading to localized inflammation and potential secondary infections.

Etiology

The most common causative agents of cutaneous myiasis include:
- Cochliomyia hominivorax (primary screwworm)
- Dermatobia hominis (human botfly)
- Lucilia sericata (green bottle fly)

These flies typically lay their eggs on or near wounds, sores, or areas of skin that are moist or damaged, allowing the larvae to enter the skin as they hatch.

Symptoms

Patients with cutaneous myiasis may present with a variety of symptoms, including:
- Localized swelling: The affected area may become swollen and tender.
- Pain and discomfort: Patients often report pain at the site of infestation.
- Ulceration: In severe cases, the skin may ulcerate, leading to open sores.
- Discharge: There may be a purulent discharge from the lesion, which can be foul-smelling due to necrotic tissue.
- Pruritus: Itching is common in the affected area.

Diagnosis

Diagnosis of cutaneous myiasis typically involves:
- Clinical examination: A healthcare provider will assess the lesions and may observe larvae or eggs in the affected area.
- History taking: Understanding the patient's travel history, exposure to contaminated environments, and any recent injuries can provide crucial context.
- Laboratory tests: In some cases, laboratory identification of the larvae may be necessary to confirm the diagnosis.

Treatment

Treatment for cutaneous myiasis focuses on the removal of the larvae and managing any secondary infections. Common approaches include:
- Manual extraction: The most effective method is to carefully remove the larvae from the skin using sterile instruments.
- Topical antiseptics: After removal, antiseptics may be applied to prevent infection.
- Antibiotics: If there is evidence of secondary bacterial infection, systemic antibiotics may be prescribed.
- Wound care: Proper wound care is essential to promote healing and prevent further complications.

Conclusion

Cutaneous myiasis is a significant health concern, particularly in areas where the causative flies are prevalent. Awareness of the condition, its symptoms, and treatment options is crucial for effective management. Early diagnosis and intervention can prevent complications and promote recovery. For healthcare providers, understanding the ICD-10-CM code B87.0 is essential for accurate documentation and treatment planning for affected patients.

Clinical Information

Cutaneous myiasis, classified under ICD-10 code B87.0, is a parasitic infestation of the skin caused by the larvae of certain fly species. This condition is particularly relevant in tropical and subtropical regions, where the flies that cause myiasis are more prevalent. Understanding the clinical presentation, signs, symptoms, and patient characteristics associated with cutaneous myiasis is crucial for effective diagnosis and management.

Clinical Presentation

Definition and Etiology

Cutaneous myiasis occurs when fly larvae invade the skin, leading to a range of dermatological manifestations. The most common culprits are species from the genera Dermatobia, Cochliomyia, and Lucilia, which lay their eggs on or near wounds or exposed skin. The larvae hatch and burrow into the skin, causing local tissue damage and inflammation[1].

Common Patient Characteristics

  • Geographic Location: Patients are often from or have traveled to tropical or subtropical regions where myiasis is endemic.
  • Socioeconomic Status: Individuals in lower socioeconomic conditions may be at higher risk due to inadequate living conditions and hygiene practices[1].
  • Age and Health Status: While myiasis can affect individuals of any age, it is more frequently observed in children and the elderly, particularly those with compromised immune systems or chronic wounds[1].

Signs and Symptoms

Localized Symptoms

  • Skin Lesions: The most prominent sign of cutaneous myiasis is the presence of skin lesions, which may appear as raised, red, and inflamed areas. These lesions can be painful and may have a central opening where the larva is visible[1].
  • Swelling and Erythema: Surrounding tissue may exhibit swelling and erythema due to the inflammatory response to the larvae[1].
  • Pruritus: Patients often experience itching at the site of infestation, which can lead to secondary infections if scratched[1].

Systemic Symptoms

  • Fever and Malaise: In some cases, especially with extensive infestations, patients may develop systemic symptoms such as fever, malaise, and fatigue, indicating a more severe inflammatory response[1].
  • Secondary Infections: If the skin barrier is compromised, there is a risk of secondary bacterial infections, which can exacerbate symptoms and complicate treatment[1].

Diagnosis

Diagnosis of cutaneous myiasis is primarily clinical, based on the characteristic appearance of the lesions and the patient's history, including recent travel to endemic areas. In some cases, laboratory confirmation may be necessary, involving the identification of larvae or eggs in skin scrapings or biopsies[1].

Conclusion

Cutaneous myiasis, represented by ICD-10 code B87.0, presents with distinctive clinical features that are crucial for timely diagnosis and treatment. Awareness of the signs and symptoms, along with understanding the patient demographics at risk, can aid healthcare providers in managing this condition effectively. Prompt intervention is essential to prevent complications, including secondary infections and further tissue damage. If you suspect cutaneous myiasis, it is advisable to seek medical attention for appropriate evaluation and management.


[1] Source: ICD-10-CM TABULAR LIST of DISEASES and INJURIES.

Approximate Synonyms

Cutaneous myiasis, classified under ICD-10 code B87.0, refers to a condition where fly larvae infest the skin, leading to various symptoms and complications. Understanding alternative names and related terms for this condition can enhance clarity in medical communication and documentation. Below are some of the key alternative names and related terms associated with cutaneous myiasis.

Alternative Names for Cutaneous Myiasis

  1. Skin Myiasis: This term emphasizes the location of the infestation, specifically the skin.
  2. Dermal Myiasis: Similar to skin myiasis, this term highlights the dermal layer's involvement.
  3. Wound Myiasis: This term is often used when the infestation occurs in an open wound, which can be a common scenario in clinical settings.
  4. Larval Infestation: A broader term that can refer to any infestation by larvae, including those causing myiasis.
  1. Myiasis: The general term for the infestation of live human and vertebrate animals with dipterous larvae, which can occur in various forms, including cutaneous, intestinal, and more.
  2. Creeping Eruption: While not synonymous, this term can sometimes be confused with myiasis, as it describes a skin condition caused by larvae of certain parasites, though it typically refers to a different etiology.
  3. Fly Larvae Infestation: A descriptive term that specifies the cause of the condition, focusing on the larvae of flies responsible for the infestation.
  4. Furuncular Myiasis: A specific type of cutaneous myiasis where the larvae develop in a boil-like lesion, often associated with the Cordylobia species of flies.

Clinical Context

In clinical practice, understanding these terms is crucial for accurate diagnosis and treatment. Cutaneous myiasis can lead to significant discomfort and may require medical intervention, including the removal of larvae and treatment of any secondary infections. Awareness of alternative names and related terms can facilitate better communication among healthcare providers and improve patient education.

In summary, cutaneous myiasis (ICD-10 code B87.0) is known by various alternative names and related terms that reflect its nature and clinical presentation. Recognizing these terms can aid in effective diagnosis and management of the condition.

Diagnostic Criteria

Cutaneous myiasis, classified under ICD-10 code B87.0, refers to a condition where fly larvae infest the skin, leading to various clinical manifestations. The diagnosis of cutaneous myiasis involves several criteria, which can be categorized into clinical evaluation, laboratory tests, and patient history. Below is a detailed overview of these diagnostic criteria.

Clinical Evaluation

  1. Symptoms and Signs:
    - Patients typically present with localized skin lesions that may appear as painful, itchy, or inflamed areas. Common symptoms include:

    • Erythema (redness of the skin)
    • Swelling
    • Ulceration or necrosis in severe cases
    • Presence of a central punctum, which is the breathing hole of the larvae[1].
  2. Physical Examination:
    - A thorough examination of the affected area is crucial. Clinicians look for:

    • Visible larvae or eggs on the skin surface
    • Signs of secondary bacterial infection due to scratching or irritation[1].

Patient History

  1. Exposure History:
    - A detailed history of potential exposure to environments where myiasis is common is essential. This includes:

    • Travel to endemic areas where certain fly species are prevalent
    • Contact with decaying organic matter or animal carcasses, which can attract flies[1][2].
  2. Previous Medical History:
    - Understanding the patient's medical background, including any previous episodes of myiasis or other skin conditions, can aid in diagnosis.

Laboratory Tests

  1. Microscopic Examination:
    - In some cases, a sample of the lesion may be taken for microscopic examination to confirm the presence of larvae or eggs. This can help differentiate cutaneous myiasis from other skin conditions[2].

  2. Culture and Sensitivity Tests:
    - If there is a secondary infection, cultures may be performed to identify the causative bacteria and determine appropriate antibiotic treatment[1].

Differential Diagnosis

It is also important to rule out other conditions that may mimic cutaneous myiasis, such as:
- Bacterial or fungal infections
- Insect bites or stings
- Other parasitic infestations[2].

Conclusion

The diagnosis of cutaneous myiasis (ICD-10 code B87.0) relies on a combination of clinical evaluation, patient history, and laboratory tests. Recognizing the characteristic signs and symptoms, along with understanding the patient's exposure history, is crucial for accurate diagnosis and effective management. If you suspect cutaneous myiasis, it is advisable to consult a healthcare professional for a thorough assessment and appropriate treatment.

Treatment Guidelines

Cutaneous myiasis, classified under ICD-10 code B87.0, is a condition caused by the infestation of the skin by fly larvae, commonly known as maggots. This condition typically occurs in areas of the body that are exposed to flies, particularly in individuals with poor hygiene or those living in tropical and subtropical regions. The treatment of cutaneous myiasis involves several standard approaches aimed at removing the larvae and managing any associated symptoms.

Standard Treatment Approaches

1. Mechanical Removal of Larvae

The primary treatment for cutaneous myiasis is the mechanical removal of the larvae from the skin. This can be done through various methods:

  • Surgical Extraction: In cases where the larvae are deeply embedded, surgical intervention may be necessary. A healthcare professional will carefully excise the affected tissue to remove the larvae completely.
  • Manual Extraction: For less severe infestations, healthcare providers may use forceps to gently pull out the larvae. This method is often performed under sterile conditions to prevent infection.

2. Topical Treatments

After the larvae have been removed, topical treatments may be applied to promote healing and prevent secondary infections:

  • Antiseptics: Cleaning the wound with antiseptic solutions helps to reduce the risk of infection.
  • Antibiotic Ointments: If there is a risk of bacterial infection, topical antibiotics may be prescribed to prevent or treat infections.
  • Wound Dressings: Proper dressing of the wound is essential to protect it from further contamination and to facilitate healing.

3. Symptomatic Treatment

Patients may experience discomfort or pain due to the infestation. Symptomatic treatments can include:

  • Analgesics: Over-the-counter pain relievers, such as ibuprofen or acetaminophen, can help alleviate pain and discomfort.
  • Anti-inflammatory Medications: These may be prescribed to reduce inflammation and swelling in the affected area.

4. Preventive Measures

Preventing cutaneous myiasis is crucial, especially in at-risk populations. Key preventive strategies include:

  • Improved Hygiene: Maintaining good personal hygiene and cleanliness can significantly reduce the risk of fly infestations.
  • Environmental Control: Reducing fly populations in living areas through sanitation and waste management can help prevent myiasis.
  • Protective Clothing: Wearing long sleeves and pants in areas where flies are prevalent can minimize exposure.

5. Follow-Up Care

After treatment, follow-up care is important to ensure complete healing and to monitor for any signs of complications, such as infection or delayed healing. Patients should be advised to return to their healthcare provider if they notice increased redness, swelling, or discharge from the wound.

Conclusion

Cutaneous myiasis, while often treatable, requires prompt and effective intervention to prevent complications. The standard treatment approaches focus on the mechanical removal of larvae, supportive care, and preventive measures to reduce the risk of future infestations. Awareness and education about hygiene and environmental control are essential in managing and preventing this condition effectively. If you suspect cutaneous myiasis, it is crucial to seek medical attention promptly to ensure appropriate treatment and care.

Related Information

Description

  • Fly larvae infest skin causing localized inflammation
  • Causative agents include Cochliomyia hominivorax
  • Dermatobia hominis, and Lucilia sericata are primary causes
  • Typically occurs in tropical and subtropical regions
  • Larvae feed on host tissue leading to secondary infections
  • Symptoms include localized swelling and pain
  • Ulceration discharge and pruritus may occur

Clinical Information

  • Cutaneous myiasis caused by fly larvae invasion
  • Common culprits: *Dermatobia*, *Cochliomyia*, *Lucilia* species
  • Geographic location: tropical and subtropical regions
  • Socioeconomic status: lower risk in inadequate living conditions
  • Age and health status: more frequent in children, elderly, and immunocompromised individuals
  • Signs and symptoms: skin lesions, swelling, erythema, pruritus
  • Systemic symptoms: fever, malaise, fatigue with extensive infestations
  • Secondary infections risk with compromised skin barrier

Approximate Synonyms

  • Skin Myiasis
  • Dermal Myiasis
  • Wound Myiasis
  • Larval Infestation
  • Myiasis
  • Creeping Eruption
  • Fly Larvae Infestation
  • Furuncular Myiasis

Diagnostic Criteria

  • Localized skin lesions
  • Painful, itchy, or inflamed areas
  • Erythema (redness of the skin)
  • Swelling
  • Ulceration or necrosis in severe cases
  • Presence of central punctum
  • Visible larvae or eggs on skin surface
  • Secondary bacterial infection signs
  • Exposure to endemic areas
  • Contact with decaying organic matter
  • Animal carcasses attraction for flies
  • Previous medical history of myiasis
  • Microscopic examination for larvae or eggs
  • Culture and sensitivity tests for bacteria

Treatment Guidelines

  • Mechanical removal of larvae
  • Surgical extraction for deep infestations
  • Manual extraction under sterile conditions
  • Topical antiseptics for wound cleaning
  • Antibiotic ointments to prevent infection
  • Wound dressings for protection and healing
  • Analgesics for pain relief
  • Anti-inflammatory medications for swelling reduction
  • Improved hygiene for prevention
  • Environmental control for fly population reduction
  • Protective clothing for minimizing exposure

Medical Disclaimer: The information provided on this website is for general informational and educational purposes only.

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.