Child Abuse: Cutaneous Manifestations

Child Abuse: Cutaneous Clues - Spotting the Unspeakable

Cutaneous manifestations are skin findings in children suggesting non-accidental injury (NAI). Crucial for NEET PG for early diagnosis, intervention, and medico-legal reporting.

• General Red Flags:
  • Inconsistent or vague history discordant with injury
  • Significant delay in seeking medical care
  • Child's fearful behavior or inappropriate affect
  • Multiple injuries in different stages of healing
  • Injuries pathognomonic for abuse (e.g., cigarette burns, belt marks)

⭐ Child abuse is a leading cause of childhood trauma and mortality, making recognition vital for every physician.

Bruising Patterns - Telltale Trauma Trails

• Differentiating Bruises:

  • Abusive: Central (torso, ears, neck), patterned, multiple stages, soft tissue, inconsistent history.
  • Accidental: Peripheral (shins, forehead), non-patterned, few, single stage, bony prominences, consistent.

• Specific Patterns: Grab marks (oval), belt marks (linear, looped), implement marks (object shape).

• 📌 TENNESSEE Mnemonic (Suspicious):

  • Torso, Ears, Neck, Nape
  • Eyes (bilateral black, no nasal trauma)
  • Sparing of bony prominences (bruises on soft tissue = abuse)
  • Shape: Symmetrical/Patterned
  • Evidence: Multiple Stages of healing
  • Explanation/Site: Inconsistent with developmental stage

• Aging (Approximate; ⚠️ unreliable for precise timing): Red/blue (0-2d) → Purple (2-5d) → Green (5-7d) → Yellow (7-10d) → Brown (10-14d).

⭐ Bruises are the most common cutaneous manifestation of physical abuse, especially in non-ambulatory infants.

Burns & Scalds - Fiery Red Flags

• Inflicted Burns:

  • Immersion/Scalds:
    • Glove/stocking distribution.
    • Sharp demarcation ("tide mark").
    • Doughnut hole sparing (buttocks/perineum). ⭐
    • Zebra stripes (sparing in skin folds).
  • Cigarette Burns:
    • Circular, punched-out lesions.
    • Diameter: ~8-10mm.
    • Uniform depth.
    • Often multiple, in clusters.
  • Patterned/Branding Burns:
    • Reflect shape of hot object (e.g., iron, lighter, curling tong).

• Accidental Burns (Contrast):

  • Splash Marks: Irregular edges, "arrowhead" or "tear-drop" shapes, non-uniform depth.
  • Brief Contact: Superficial, less distinct margins.

⭐ 'Doughnut hole' sparing in buttocks/perineal immersion burns is highly specific for abuse.

Bites, Lacerations & Lookalikes - Decoding Dermal Dramas

• Bites:
  • Human: Elliptical/ovoid, central ecchymosis. Intercanine distance: Adult >3.0-3.5 cm; Child <3.0 cm.
  • Animal: Narrower, deeper punctures.
• Lacerations & Abrasions:
  • Inflicted: Linear (knives), multiple, bizarre shapes, ligature marks.
  • Accidental: Usually single, over bony prominences.
• Key Mimickers & Differentiation:
  • Common mimickers (vs. bruises) detailed below:

⭐ Mongolian spots are common in Indian babies and are often misdiagnosed as bruises; they do not change color like bruises and are not tender.

High-Yield Points - ⚡ Biggest Takeaways

• Patterned injuries (e.g., belt, loop, cigarette burns) are highly specific for abuse.
• Bruises in non-ambulatory infants or TEN regions (Torso, Ears, Neck) are suspicious.
• Multiple bruises in different stages of healing strongly indicate abuse.
• Immersion burns have sharp "glove/stocking" demarcation; distinct from splash burns.
• Adult bite marks: intercanine distance > 3 cm.
• Mongolian spots are common birthmarks, not bruises; note location and uniform color.
• Rule out mimics: phytophotodermatitis, cultural practices (e.g., coining, cupping).