Case Report: Treating Severe Truncal Acne With Isotretinoin in a Young Adult Male

by: Dr. Ashley Baldree


Patient Presentation

A 20-year-old male presented to Village Dermatology as a new patient with a long-standing history of moderate-to-severe truncal acne involving the chest, abdomen, and back. The acne had been present for several years and consisted of inflammatory papules, pustules, comedones, and cystic nodules, causing significant physical discomfort and concern for future scarring.

The patient was otherwise healthy and reported no systemic symptoms. Given the chronicity and severity of his acne, he sought dermatologic care to explore more effective treatment options.

Clinical Examination

A focused dermatologic examination was performed, including inspection of the chest, abdomen, and back, with dermoscopic evaluation. The patient appeared well-developed and well-nourished, was alert and oriented, and exhibited no signs of acute distress.

Findings included:

  • Numerous inflammatory papules and pustules

  • Open and closed comedones

  • Cystic and nodular acne lesions on the trunk

These findings were consistent with severe inflammatory acne vulgaris (L70.0).

Diagnostic Evaluation

Given the consideration of systemic therapy with isotretinoin (Accutane), baseline laboratory studies were ordered, including:

  • Hepatic Function Panel

  • Triglyceride levels

These tests are standard for patients starting isotretinoin due to its potential effects on liver function and lipid levels.

Treatment Plan: Isotretinoin (Accutane) Initiation

After an extensive discussion of treatment options, risks, and benefits, the patient elected to proceed with oral isotretinoin therapy, an FDA-approved medication for severe, scarring acne.

Treatment protocol included:

  • Isotretinoin 40 mg orally twice daily, taken with a fatty meal

  • Target dose of 1 mg/kg/day

  • Goal cumulative dose of 220 mg/kg

The patient was counseled extensively on:

  • Common side effects such as dryness, joint aches, photosensitivity, and mood changes

  • Rare but serious risks including elevated liver enzymes, triglyceride abnormalities, and increased intracranial pressure

  • Monthly laboratory monitoring and follow-up visits

  • iPLEDGE compliance and medication safety precautions

Although isotretinoin carries significant teratogenic risk in females, all patients—including males—must comply with monthly monitoring and follow-up visits, which was reviewed in detail.

Supportive Skin Care Counseling

The patient received education on proper acne skincare, including:

  • Use of non-comedogenic cleansers and moisturizers

  • Daily broad-spectrum sunscreen SPF 30+

  • Avoiding harsh or abrasive skin products

He was advised that improvement typically occurs over 2–3 months, with up to 60–80% reduction in acne severity during treatment.

Additional Diagnosis: Eruptive Vellus Hair Cysts

During the visit, the patient was also noted to have eruptive vellus hair cysts on the epigastric skin (L72.8). These benign cysts were discussed in detail.

Management options included:

  • Observation (often self-resolving)

  • Topical retinoids

  • Extraction or minor procedural removal if persistent

At this time, conservative management and reassurance were recommended.

Follow-Up and Monitoring

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The patient will return in 1 month for:

  • Isotretinoin follow-up

  • Laboratory review

  • Side effect monitoring

Ongoing monthly visits are planned throughout the treatment course to ensure safety and optimal outcomes.

Why Early Treatment Matters

Severe truncal acne can lead to permanent scarring, pigment changes, and emotional distress if left untreated. At Village Dermatology, we offer evidence-based acne treatments—including isotretinoin therapy—to help patients achieve clear, healthy skin.

If you are struggling with persistent or severe acne in Katy or Houston, Texas, our board-certified dermatology team is here to help.

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