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tinea corporis
ICD-10 Codes
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Description
What is Tinea Corporis?
Tinea corporis, also known as ringworm, is a contagious fungal infection that affects the skin. It's characterized by a circular, ring-like pattern on the affected area.
- The infection starts as a solitary circular red patch with a raised scaly leading edge [1].
- A lesion spreads out from the centre forming a ring-shape, which can be itchy and sometimes accompanied by mild itching [4].
- Symptoms include pink-to-red, round patches on the skin that sometimes itch [7].
Causes and Transmission
Tinea corporis is caused by a fungus that's highly contagious. It can spread through direct contact with an infected person or contaminated objects.
- The infection is common in adolescent and young adult males [4].
- Ringworm is a superficial dermatophyte infection characterized by either inflammatory or noninflammatory lesions on the glabrous skin [6].
Diagnosis and Treatment
Diagnosis of tinea corporis is typically made through clinical appearance and examination of skin scrapings [3]. Treatment involves antifungal medications to clear up the infection.
- Tinea corporis is a type of fungal skin infection that's common and highly contagious, but not serious [8].
Key Points
- Tinea corporis is a contagious fungal infection affecting the skin.
- Symptoms include circular red patches with raised scaly edges and mild itching.
- The infection can spread through direct contact or contaminated objects.
- Diagnosis is made through clinical appearance and examination of skin scrapings.
- Treatment involves antifungal medications.
References: [1] - Search result 1 [3] - Search result 3 [4] - Search result 4 [6] - Search result 6 [7] - Search result 7 [8] - Search result 8
Additional Characteristics
- A contagious fungal infection that affects the skin
- Characterized by a circular, ring-like pattern on the affected area
- Symptoms include pink-to-red, round patches on the skin that sometimes itch
- The infection starts as a solitary circular red patch with a raised scaly leading edge
- Tinea corporis is caused by a fungus that's highly contagious and can spread through direct contact or contaminated objects
- Diagnosis involves clinical appearance and examination of skin scrapings, and treatment includes antifungal medications
Signs and Symptoms
What are the signs and symptoms of tinea corporis?
Tinea corporis, also known as ringworm of the body, is a fungal infection that can cause a range of symptoms on the skin. The signs and symptoms of tinea corporis may vary depending on the location and severity of the infection.
Common symptoms:
- A red, itchy, circular rash with clearer skin in the middle [1]
- A scaly ring-shaped area, typically on the buttocks, trunk, arms, and legs [2]
- Itchiness [2]
- Dry, cracked palms and ring-like patches on the hands (tinea manuum) [3]
- Crusted or pus-filled patches on the face and neck (tinea barbae) [3]
Other symptoms:
- Thickening, discoloration, and deformation of toenails or fingernails (tinea unguium or onychomycosis) [3]
- Mild itching in some cases [4]
- White to brown patches on the skin, especially on darker skin tones [5]
Symptoms can differ:
- On the scalp, face, or other parts of the body, ringworm may cause different symptoms, such as pink-to-red, round patches that sometimes itch [12]
- The rash may be flat and scaly on light skin or flat and brown or gray on darker skin [5]
Diagnosis and treatment:
- Doctors examine the affected area and sometimes view a skin scraping under a microscope to make the diagnosis [13]
- Treatment includes antifungal medications applied directly to the affected areas or sometimes taken by mouth [13]
References: [1] - Search result 2 [2] - Search result 1 [3] - Search result 3 [4] - Search result 4 [5] - Search result 5 [12] - Search result 12 [13] - Search result 13
Additional Symptoms
- Itchiness
- A red, itchy, circular rash with clearer skin in the middle
- A scaly ring-shaped area, typically on the buttocks, trunk, arms, and legs
- Dry, cracked palms and ring-like patches on the hands (tinea manuum)
- Crusted or pus-filled patches on the face and neck (tinea barbae)
- Thickening, discoloration, and deformation of toenails or fingernails (tinea unguium or onychomycosis)
- Mild itching in some cases
- White to brown patches on the skin, especially on darker skin tones
- Pink-to-red, round patches that sometimes itch on the scalp, face, or other parts of the body
- Flat and scaly rash on light skin or flat and brown or gray on darker skin
Diagnostic Tests
Diagnostic Tests for Tinea Corporis
Tinea corporis, also known as ringworm, can be diagnosed through a combination of clinical examination and laboratory tests.
- Clinical Examination: A thorough physical examination by a healthcare provider is the first step in diagnosing tinea corporis. The doctor will look for characteristic symptoms such as red, scaly patches or plaques with an advancing raised edge and central clearing [12].
- Potassium Hydroxide (KOH) Preparation: A KOH preparation or culture may be performed when the appearance is atypical or to confirm the diagnosis [1]. This involves scraping a sample from the affected area and examining it under a microscope for fungal elements.
- Skin Scrapings: Skin scrapings on potassium hydroxide wet mount can also be used to diagnose tinea corporis [11, 14].
- Dermoscopy: Dermoscopy is a non-invasive diagnostic tool that can aid in the diagnosis of tinea corporis by examining skin scrapings under a microscope [8, 14].
Additional Tests
In some cases, additional tests may be performed to rule out other conditions or to confirm the diagnosis. These may include:
- Full Skin Examination: A full skin examination including the scalp and nails can help detect additional sites of infection [15].
- Other Laboratory Tests: Depending on the individual case, other laboratory tests such as blood tests or cultures may be performed to rule out other conditions.
References
[1] Context result 1 [8] Context result 8 [11] Context result 11 [12] Context result 12 [14] Context result 14 [15] Context result 15
Treatment
Treatment Options for Tinea Corporis
Tinea corporis, also known as ringworm, can be effectively treated with various medications. The choice of treatment depends on the severity and location of the infection.
- Topical Creams and Ointments: For mild cases of tinea corporis, topical creams or ointments containing antifungal agents such as terbinafine (Lamisil) or butenafine (Lotrimin Ultra) can be applied to the affected area. These medications are usually effective in treating localized infections and can be used for 2-4 weeks [1][2].
- Oral Antifungal Agents: In cases of extensive skin infection, failed topical treatment, immunocompromised patients, or severe moccasin-type tinea corporis, oral antifungal agents may be indicated. These medications are usually effective in treating more severe infections and can be used for 2-4 weeks [1][3].
- Antifungal Shampoo: For scalp ringworm, an antifungal shampoo such as ketoconazole shampoo (Nizoral A-D) may help contain the infection. However, it will not cure the condition and should be used in conjunction with other treatments [3].
Important Considerations
It's essential to note that prolonged use of steroids can lead to persistent and recurrent infections, longer duration of treatment regimens, and various adverse effects [1]. Therefore, it's crucial to consult a healthcare professional for proper diagnosis and treatment.
References:
[1] October 21, 2024 - Prolonged use of steroids can lead to persistent and recurrent infections, longer duration of treatment regimens, and various adverse effects (eg, skin atrophy, striae, and telangiectasias). Systemic therapy may be indicated for cases of tinea corporis that involve extensive skin infection, ...
[2] November 15, 2014 - Tinea corporis, tinea cruris, and tinea pedis are generally responsive to topical creams such as terbinafine (Lamisil) and butenafine (Lotrimin Ultra), but oral antifungal agents may be indicated for extensive disease, failed topical treatment, immunocompromised patients, or severe moccasin-type ...
[3] Antifungal shampoo, such as ketoconazole shampoo (Nizoral A-D), may stop scalp ringworm from spreading. It won't cure it, but it may help contain the infection ...
Recommended Medications
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Differential Diagnosis
Differential Diagnosis of Tinea Corporis
Tinea corporis, also known as ringworm, is a common fungal infection that can be challenging to diagnose due to its broad differential diagnosis. Here are some conditions that should be considered in the differential diagnosis of tinea corporis:
- Eczema: Also known as atopic dermatitis, eczema is a chronic skin condition characterized by dry, itchy, and inflamed skin. It can mimic the appearance of tinea corporis, especially in its early stages.
- Psoriasis: Psoriasis is an autoimmune disease that causes red, scaly patches on the skin. While psoriasis typically affects the scalp, elbows, and knees, it can also appear as a ring-shaped lesion, similar to tinea corporis.
- Annular erythema: Annular erythema is a rare condition characterized by circular or oval-shaped patches of redness on the skin. It can be mistaken for tinea corporis due to its similar appearance.
- Cutaneous candidiasis: Cutaneous candidiasis is a fungal infection caused by Candida species, which can cause red, itchy patches on the skin. While it's typically seen in warm, moist areas of the body, it can also appear as a ring-shaped lesion.
- Erythema multiforme: Erythema multiforme is an autoimmune disease that causes target-like lesions on the skin. It can be mistaken for tinea corporis due to its similar appearance.
Diagnosis
Tinea corporis is typically diagnosed based on clinical appearance and by potassium hydroxide (KOH) wet mount of skin scrapings. A positive KOH examination can confirm the presence of fungal elements, such as hyphae or spores.
References:
- [1] Tinea corporis is a common fungal infection and the differential diagnosis is broad and, at times, difficult. Physicians must be familiar with this condition so that it can be distinguished from other skin conditions.
- [2] A number of different conditions should be considered in the differential diagnosis of tinea corporis, including eczema, psoriasis, and annular erythema.
- [5] Differential diagnosis of tinea corporis includes cutaneous candidiasis, erythema multiforme, and other skin conditions that can mimic its appearance.
Additional Differential Diagnoses
Additional Information
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- A dermatophytosis that results_in fungal infection located_in skin, limited to the stratum corneum of the epidermis, has_material_basis_in Ascomycota fungi that belong to a group called dermatophytes and has_symptom itching, and has_symptom red colored skin rash. The border of the rash lesions look scaly.
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