Clinical Assessment: 34-Year-Old Female with Chronic Hair Loss + Scalp Symptoms

Symptom Summary

• Hair thinning, breakage, and fall since 2007 (chronic, ~17 years)
• Scalp: tender, itchy, flaky, with bumps
• Mother of two children (ages 3 and 6) — postpartum history relevant
• Female, reproductive age

Most Likely Diagnoses (Differential)

1. 🔴 Androgenetic Alopecia (AGA) / Female Pattern Hair Loss (FPHL) — Primary Diagnosis

• Mechanism: Androgen-sensitive hair follicles undergo miniaturization — terminal hairs shrink to vellus-like hairs, reducing density progressively.
• Pattern in women: Diffuse thinning at the crown/vertex with preservation of the frontal hairline (Ludwig pattern), widening of the central part.
• Scalp findings: The scalp in AGA typically appears normal, but seborrhea and seborrheic dermatitis are frequently associated — explaining the itching, flaking, and tenderness she reports.
• Postpartum angle: After each pregnancy, telogen effluvium (see below) can accelerate or unmask underlying AGA.
• Hormonal workup in women is indicated when clinical signs suggest androgen excess (irregular cycles, hirsutism, acne, oily skin).

"The scalp skin usually appears normal in AGA, but frequently associated findings include seborrhea and/or seborrheic dermatitis." — Fitzpatrick's Dermatology, Vol. 1 & 2

2. 🟠 Telogen Effluvium (TE) — Concurrent / Overlapping

• Postpartum TE: Typically begins 2–4 months after delivery, as the large number of hairs that remained in anagen during pregnancy simultaneously shift to telogen and shed.
• Can be chronic if the trigger persists (nutritional deficiency, thyroid dysfunction, chronic stress).
• Results in diffuse hair fall and thinning — the "breakage and hair fall" she describes.

"Exposure to various drugs can also cause diffuse hair loss, usually by inducing a telogen effluvium... Diffuse thinning of the hair is also associated with hypothyroidism and hyperthyroidism." — Harrison's Principles of Internal Medicine, 22nd Ed.

3. 🟡 Seborrheic Dermatitis — Explaining Scalp Symptoms

• Caused by overgrowth of Malassezia yeast on oil-rich skin, triggering an inflammatory response.
• Produces greasy yellowish scale, pruritus, erythema, and can cause scalp tenderness.
• Closely associated with AGA — both seborrhea and AGA often coexist, and the chronic inflammation may worsen hair shedding.

"TABLE 409-2 DERMATOSCOPIC SIGNS IN HAIR AND SCALP DISORDERS: Seborrheic dermatitis — Arborizing vessels" — Goldman-Cecil Medicine

4. 🟡 Scalp Psoriasis — Must Rule Out

5. 🟡 Scarring Alopecia (e.g., Lichen Planopilaris / Central Centrifugal Cicatricial Alopecia) — Must Exclude

• The bumps and scalp tenderness raise a flag for scarring processes.
• Lichen planopilaris and frontal fibrosing alopecia can mimic AGA but cause permanent, irreversible follicle destruction.
• Key distinguishing feature: loss of follicular ostia (smooth scalp without pore openings) on dermoscopy or biopsy.

"Scarring alopecia is more frequently the result of a primary cutaneous disorder such as lichen planus, chronic cutaneous (discoid) lupus, central centrifugal cicatricial alopecia, folliculitis decalvans..." — Harrison's, 22nd Ed.

"In the early phases of discoid lupus, lichen planus, and folliculitis decalvans, there are circumscribed areas of alopecia... the inflammatory process is most prominent at the periphery." — Harrison's, 22nd Ed.

6. 🟢 Tinea Capitis — Less Likely but Consider

Recommended Workup

"In women, an extensive endocrinologic workup is not necessary, except if the history and clinical examination indicate... [signs of androgen excess]." — Fitzpatrick's Dermatology, Vol. 1 & 2

Treatment Approach

For Scalp Inflammation (Seborrheic Dermatitis / Psoriasis):

• Antifungal shampoos: Ketoconazole 2% or selenium sulfide — reduce Malassezia load
• Mild topical corticosteroids: Reduce inflammation and itch
• Salicylic acid shampoos: Help with scale/flaking

For Hair Loss (AGA / TE):

• Minoxidil 2–5% topical: First-line FDA-approved treatment for female AGA — promotes anagen phase, slows miniaturization. Must be used long-term.
• Treat underlying causes: Iron deficiency, thyroid disease, nutritional gaps — correcting these can reverse TE significantly.
• Spironolactone (oral, 50–200 mg/day): Anti-androgenic, used off-label in women with FPHL, especially with hormonal signs.
• Finasteride: Generally avoided in women of childbearing age due to teratogenicity risk.
• Low-level laser therapy (LLLT): Adjunct; some evidence for improvement in hair count in AGA.

Lifestyle / Hair Care:

• Avoid hairstyles causing traction (tight ponytails, braids) — worsens hair breakage.
• Gentle, sulfate-free shampoos.
• Avoid excessive heat styling.
• Nutritional support: adequate protein, iron, zinc, biotin.

Key Takeaway