Scaly Lesions CS-OSPE
Seborrheic Dermatitis
without hair loss
1. What is your diagnosis?
- Seborrheic dermatitis
2. Describe this condition / Mention common features and common lesions:
- Features: Erythematous, ill-defined margin patch or ill-demarcated erythema plaque, commonly found on the central forehead, nasal bridge, cheeks, midline, and face. Often presents with greasy lesions and scales, including non-itchy greasy scales on the scalp (dandruff) and forehead. Scaly with sparing of the eyelid. Some scattered papules may be present. This condition can be recalcitrant (doesn’t respond to ordinary treatment), especially in sexually active patients, or may have developed over a period like five months.
- Common Lesions: Patch, Scale, Erythema, Papule.
3. What is the causative factor / Mention common risk factors?
- Causative Factor: Malassezia furfurZ
- Risk Factors:
- Endogenous eczema
- Location (within hairline, might be anywhere hairy)
- Old age / Age
- Male gender
- Stress
4. What is the treatment?
- Topical steroid (e.g., Hydrocortisone, Desonide cream - Low dose topical steroid)Z
- Antifungal (e.g., Ketoconazole cream, Systemic Ketoconazole, Nizoral)Z
- Keratolytic agents
5. Mention differential diagnoses:
- Eczema
- Contact dermatitis
- SLE (Systemic Lupus Erythematosus)
- Rosacea
- Atopic dermatitis
6. What is the most affected leukocyte type in this patient, if any (especially if recalcitrant)?
- CD4 cells