Differential Diagnosis for Macular Lesions with Scaling
- Single most likely diagnosis
- Pityriasis rosea: This condition is characterized by the appearance of macular lesions with scaling, often starting with a herald patch. The lesions typically follow a Christmas tree distribution on the trunk and proximal extremities, making it a common and likely diagnosis for macular lesions with scaling.
- Other Likely diagnoses
- Tinea corporis (ringworm): A fungal infection of the skin that can cause macular lesions with scaling, usually in a circular pattern.
- Seborrheic dermatitis: A chronic inflammatory skin condition that can cause macular lesions with scaling, particularly on the scalp, face, and torso.
- Psoriasis: An autoimmune condition that can cause macular lesions with scaling, often on the elbows, knees, and scalp.
- Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
- Secondary syphilis: A sexually transmitted infection that can cause macular lesions with scaling, often accompanied by other systemic symptoms. Missing this diagnosis could lead to serious complications if left untreated.
- Lymphoma-associated skin lesions: Certain types of lymphoma can cause skin lesions that may appear as macular lesions with scaling. Early detection is crucial for effective treatment.
- Rare diagnoses
- Pityriasis lichenoides: A rare skin condition characterized by the appearance of macular lesions with scaling, often accompanied by other systemic symptoms.
- Keratosis follicularis (Darier's disease): A rare genetic disorder that can cause macular lesions with scaling, particularly on the torso and extremities.
- Mycosis fungoides: A rare type of cutaneous T-cell lymphoma that can cause macular lesions with scaling, often accompanied by other systemic symptoms.