
In this paper, we provide several cases of human bite injuries, juxtaposed with cases of bite injuries from common animals.

In this paper, we provide several cases of human bite injuries, juxtaposed with cases of bite injuries from common animals.

Despite their frequency, it can be challenging to distinguish between types of bites. Can you identify the source of this bite mark?


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The patient's vital signs in clinic were within normal limits, and the only additional finding at this time was a nontender, nonpruritic, and nonpalpable petechial rash on the bilateral lower extremities.

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The patient described the headache as “pressure-like,” episodes that occurred for 1 to 2 hours with high severity.

The infant is closely monitored at subsequent well visits and rechecked after 3 months, showed full resolution of the skin lesion over the heel area.

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Can you diagnose this patient?

On physical examination, the patient appeared to be in significant respiratory distress. Her oxygen saturation was 96% on high-flow nasal cannula.

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A rare case of delayed subgaleal hemorrhage in a 2-month-old highlights the need for timely diagnosis and management in pediatric care.

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The patient’s medical history included several episodes of mild diaper dermatitis and erythematous rashes during periods of teething.

Read the full case presentation of a 21-month-old with a history of skin tags involving her gluteal cleft, noted at birth.

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13-year-old girl with altered mental status, headache, and emesis: What is the diagnosis?

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What's the diagnosis of this linear eruption on an adolescent girl's leg?

Take your best guess and try to diagnose this 9-year-old girl's linear eruption on the back of her left thigh and leg. Stay tuned for the full case presentation and correct diagnosis!

On exam, the patient is found to have circular, slightly raised, blanching, erythematous papules on the lower extremities and abdomen.

Can you diagnose this patient in our most recent puzzler poll?

The patient's mother reported that the nail had developed a green discoloration and had begun to detach approximately 1 week prior to the visit.
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The patient had increased her vape use recently, but did not disclose when she started, or how much she vaped.

Medical advice was sought on the fifth day of symptoms, and by this time, the child was improving clinically.

The photos in this case were taken soon after the painful and red papules appeared.

Can you diagnose the patient in this edition of puzzler?

Can you diagnose this patient with a tender bump on the labia majora accompanied by fever and sore throat?