29/10/2026
THIS PATIENT DATA WAS GATHERED BY ROLL NO 1 BATCH 2023 AS PART OF HER COMPETENCE BASED LEARNING EVALUATION PORTFOLIO PREPARATION
THIS IS THE CASE OF 31M WITH ITCHY SKIN LESIONS ON THE RIGHT SIDE HALF OF THE SCALP SINCE 1 YR
*Demographics*
- Age / Sex: 21 years / Male
- Occupation: Farming and vegetables selling
*Chief Complaints*
- Itchy skin lesions on scalp - 1 year
- Right half of the scalp
*History of Present Illness*
- Patient was apparently asymptomatic 1 year back, then later he developed pustules and which later developed into plaques, which is associated with itchy lesion over the scalp on Right side, gradual and progressive in number.
*Past History*
- No similar complaints in the past
- N/K/C/O - HTN, DM, TB, Asthma, Epilepsy
- Diagnosed Psoriasis 1 year ago, on medication - Folitrax 15 mg [on & off], Folvite 5 mg, Steron-S lotion
- No H/O Trauma
- No previous surgical history
- No drug allergies
*Personal History*
- Diet - Mixed
- Appetite - Normal
- Sleep - Adequate
- B & B - Normal, regular
- Addictions - Occasional alcoholic
*Family History*
- No significant History in the family
- H/O DM in the family [Father]
*General Examination*
- Patient is conscious, coherent to Time / Place / Person, well built and well nourished
*PICCLE*
- Pallor - Absent
- Icterus - Absent
- Cyanosis - Absent
- Clubbing - Absent
- Lymphadenopathy - Absent
- Edema - Absent
*O/E - Cutaneous*
- Multiple, Discrete, well defined, Greasy scales with plaques over scalp
*Diagnosis*
- Psoriasis
Here is a set of Socratic questions based on the clinical case report, designed to guide a medical student through clinical reasoning, pathophysiology, differential diagnosis, and management:
1. Patient Profile & Clinical Presentation
* Question: The patient is a 31-year-old male farmer presenting with itchy lesions on the right half of his scalp lasting for one year. How might his occupation as a farmer influence your initial differential diagnosis regarding environmental exposures or infectious agents?
* Question: The history notes that the lesions started as pustules and evolved into plaques with greasy scales. What is the distinct clinical difference between a pustule and a plaque, and what cellular turnover changes characterize plaque formation?
2. History of Present Illness & Disease Progression
* Question: The patient was diagnosed with psoriasis a year ago and has been on intermittent medication (Folitrax on & off). What are the clinical consequences of non-adherence or intermittent use of systemic therapies (like methotrexate) in chronic inflammatory skin conditions?
* Question: The lesions are localized primarily to the right half of the scalp. Is scalp psoriasis typically unilateral or bilateral? What phenomenon (such as the Koebner phenomenon) might explain localized or trauma-induced flares in specific skin distributions?
3. Review of Systems & Associated Factors
* Question: The patient's family history is positive for Diabetes Mellitus in his father, though the patient himself has no known case of DM or hypertension. Why is screening for metabolic syndrome and comorbidities (like diabetes, cardiovascular disease, and psoriatic arthritis) crucial in patients with a history of psoriasis?
* Question: The personal history notes occasional alcohol use. If a patient with psoriasis is taking methotrexate (Folitrax), why is monitoring alcohol intake and liver function tests clinically critical?
4. Cutaneous Examination & Diagnosis
* Question: The physical examination describes "multiple, discrete, well-defined, greasy scales with plaques over scalp". How do you clinically differentiate scalp psoriasis from other scaly scalp conditions such as seborrheic dermatitis or tinea capitis?
* Question: What underlying immunological mechanisms drive the hyperproliferation of keratinocytes and the characteristic scaling seen in psoriasis vulgaris?
5. Management & Pharmacology
* Question: The patient was prescribed Folitrax 15 mg (Methotrexate), Folvite (Folic acid), and Steron-S lotion. What is the pharmacological rationale for co-prescribing Folic acid alongside Methotrexate?
* Question: Steron-S typically contains a potent topical corticosteroid combined with salicylic acid. What is the role of salicylic acid in treating scaly scalp lesions like those found in this patient?
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