NORCET -4 , 2023
Medical & Surgical Nursing
Easy
In the following image, identify the clinical condition?
Appeared in: NORCET -4 , 2023
Explanation
- The image displays a classic ring-shaped (annular) lesion with a red, scaly, raised border and central clearing, which is the hallmark presentation of Tinea corporis (ringworm of the body).
- Tinea corporis is a superficial fungal infection of the glabrous (smooth) skin, caused by dermatophyte fungi.
- The centrifugal spread of the fungus from a central point creates the characteristic ring appearance as the leading edge remains active while the center starts to resolve.
- This diagnosis is made clinically based on the lesion's appearance, and can be confirmed by microscopic examination of skin scrapings (KOH mount) showing hyphae.
Why Other Options Were Wrong
- Option A: Tinea pedis, or athlete's foot, specifically affects the skin of the feet, particularly the toe webs. The lesion in the image is on a different body part, likely the trunk or a limb.
- Option C: Tinea capitis is a fungal infection of the scalp and hair shafts. It presents with patches of alopecia (hair loss), scaling, and sometimes inflammation (kerion), not the annular skin lesion seen here.
- Option D: Tinea unguium, or onychomycosis, is a fungal infection of the nails. It causes the nails to become thick, discolored (yellow or white), brittle, and crumbly. The image clearly shows a skin lesion, not an affected nail.
Related Visual
- Visual 1: Diagram - A flowchart showing the diagnostic process for suspected dermatophyte infections, starting from clinical presentation, moving to KOH microscopy, and then to fungal culture for species identification.
- Visual 2: Image - A gallery of images comparing the different clinical presentations of Tinea infections: Tinea corporis (body), Tinea pedis (feet), Tinea cruris (groin), Tinea capitis (scalp), and Tinea unguium (nails).
- Visual 3: Infographic - An infographic detailing the modes of transmission (person-to-person, animal-to-person, fomites) and prevention strategies for ringworm.
Clinical Relevance
- Nursing practice connection: Use the key finding related to Identification of superficial fungal infections based on clinical presentation to guide bedside assessment, documentation, and the next nursing action.
- Nurses must be able to recognize common skin infections like Tinea corporis to initiate appropriate isolation precautions (if necessary), provide patient education on hygiene, and administer topical antifungal treatments as prescribed.
- Patient education is a key nursing role. This includes teaching the patient to keep the affected area clean and dry, apply medication as directed, and avoid sharing personal items like towels and clothing to prevent transmission.
- What if? If the patient was immunocompromised (e.g., due to HIV or chemotherapy), a simple Tinea corporis infection could become extensive or invasive. The nursing priority would shift to monitoring for systemic symptoms and administering systemic (oral) antifungal therapy as ordered, rather than just topical treatment.
How to Approach the Question
- First, carefully analyze the image provided. Note the key features of the lesion: its shape (circular/annular), border (raised, red, scaly), and center (clearing).
- Next, read the question stem, which asks to identify the clinical condition.
- Evaluate each option by linking the name of the condition to the body part it affects. 'Corpus' means body, 'pedis' means foot, 'capitis' means head, and 'unguium' means nail.
- Compare the visual evidence from the image with the known characteristics of each option.
- The lesion in the image is on the skin (not scalp, foot, or nail) and has the classic ringworm appearance. This directly corresponds to the definition of Tinea corporis.
- Eliminate the other options because they affect different body parts and have different clinical presentations.
Concept Tested & Keywords
- Concept Tested: Identification of superficial fungal infections based on clinical presentation.
- Stem keywords: clinical condition, image
- Lead-in keywords: identify
- Clinical cues: The annular (ring-shaped) lesion with a raised, scaly border and central clearing is a pathognomonic sign for Tinea corporis.
Question ID
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Attempt every question from this paper in a timed mock, then review the full solution for each one.
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