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 © 2001-2009, DermAtlas | Image Name: | Necrotic_ Loxoscelism_1_090304 | File Type: | jpg | |
| Diagnosis: | BITE, SPIDER / LOXOSCELES ENVENOMATION | Category: | bites and stings | ||
| Body Site: | face / cheek | Age: | 12 years | ||
| Contributor: | Abid Khan, MD | ||||
| Description: | 2 cm bulla with central necrosis, surrounding erythema and edema of the left side of the face | ||||
| Comments: | A young boy was evaluated for a painfull sever edematous spider bite associated with a bulla and surrounding zone of erythema. The lesion became dark and necrotic, and he developed a fever to 40 degree C, vomiting, and increasing pain. | ||||
 © 2001-2009, DermAtlas | Image Name: | Erythema_chronicum_migrans_1_080819 | File Type: | jpg | |
| Diagnosis: | LYME DISEASE / ERYTHEMA CHRONICUM MIGRANS | Category: | infections and infestations / bites and stings | ||
| Body Site: | thigh / total body / leg | Age: | 27 months | ||
| Contributor: | Dirk Thompson, MD | ||||
| Description: | disseminated discrete and confluent annular 1-3 cm red plaques | ||||
| Comments: | The parents found a tick behind the ear of this 27-month-old girl one week before she was evaluated in the office for a equivocal low grade fever and widely disseminated annular red plaques. The tick was tested with PCR and found to be negative for the DNA of Borelia burgdorfi. However, the following week serologic tests were positive for Lyme disease (both IgG and IgM). She was treated with oral amoxacillin, and the eruption cleared in 2 days. | ||||
| Related Images: | Erythema_chronicum_migrans_2_080819 | ||||
 © 2001-2009, DermAtlas | Image Name: | Erythema_chronicum_migrans_2_080819 | File Type: | jpg | |
| Diagnosis: | LYME DISEASE / ERYTHEMA CHRONICUM MIGRANS | Category: | infections and infestations / bites and stings | ||
| Body Site: | arm / total body / leg | Age: | 27 months | ||
| Contributor: | Dirk Thompson, MD | ||||
| Description: | disseminated discrete and confluent annular 1-3 cm red plaques | ||||
| Comments: | The parents found a tick behind the ear of this 27-month-old girl one week before she was evaluated in the office for a equivocal low grade fever and widely disseminated annular red plaques. The tick was tested with PCR and found to be negative for the DNA of Borelia burgdorfi. However, the following week serologic tests were positive for Lyme disease (both IgG and IgM). She was treated with oral amoxacillin, and the eruption cleared in 2 days. | ||||
| Related Images: | Erythema_chronicum_migrans_1_080819 | ||||
 © 2001-2009, DermAtlas | Image Name: | insect_bite_hypersentitivity_1_080927 | File Type: | jpg | |
| Diagnosis: | INSECT BITE REACTION / PAPULAR URTICARIA | Category: | bites and stings / reactive erythema | ||
| Body Site: | abdomen | Age: | 4 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | 2.5 cm edematous red urticarial plaque with central 2 mm vesicle | ||||
| Comments: | This healthy 4-year-old girl had a 6 month history or itchy red bumps and blisters in exposed areas of her skin particularly the arms and legs. Lesions usually healed with post inflammatory hyperpigmentation over 2-4 weeks. They often appeared in clusters. | ||||
| Related Images: | insect_bite_hypersentitivity_2_080927 | ||||
 © 2001-2009, DermAtlas | Image Name: | insect_bite_hypersentitivity_2_080927 | File Type: | jpg | |
| Diagnosis: | INSECT BITE REACTION / PAPULAR URTICARIA | Category: | bites and stings / reactive erythema | ||
| Body Site: | leg / thigh | Age: | 4 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | 2.5 cm edematous red urticarial plaque with central 2 mm vesicle | ||||
| Comments: | This healthy 4-year-old girl had a 6 month history or itchy red bumps and blisters in exposed areas of her skin particularly the arms and legs. Lesions usually healed with post inflammatory hyperpigmentation over 2-4 weeks. They often appeared in clusters. | ||||
| Related Images: | insect_bite_hypersentitivity_1_080927 | ||||
 © 2001-2009, DermAtlas | Image Name: | Dermatitic_Blister_1_080819 | File Type: | jpg | |
| Diagnosis: | BITE, INSECT | Category: | bites and stings / environmental injury | ||
| Body Site: | leg / foot | Age: | 8 years | ||
| Contributor: | Will Sorey, MD | ||||
| Description: | tense 1-3 cm bullae and ruptured bullae with crusts | ||||
| Comments: | This 8-year-old boy, who enjoyed playing in a wooded area near his home, developed blisters following insect bites. This case was prepeared by University of Mississippi year 3 medical student Lyndsay Roberts. | ||||
 © 2001-2009, DermAtlas | Image Name: | infected_insect_bite_reaction_3_071019 | File Type: | jpg | |
| Diagnosis: | INSECT BITE REACTION / PAPULAR URTICARIA | Category: | bites and stings | ||
| Body Site: | leg / arm | Age: | 3 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | multiple grouped edematous red 3 mm papules, some with a central vesicle, crust, and/or surrounding scale and erythema | ||||
| Comments: | This healthy 3-year-old boy demonstrates chronic and recurrent insect bite reaction. Note the linear clusters of papules typical of "breakfast, lunch, and dinner" grouping of lesions. The eruption was limited to exposed areas, and some lesions on his arms developed surrounding eczematous changes. | ||||
| Related Images: | All related Images infected_insect_bite_reaction_1_071019 infected_insect_bite_reaction_2_071019 | ||||
 © 2001-2009, DermAtlas | Image Name: | infected_insect_bite_reaction_2_071019 | File Type: | jpg | |
| Diagnosis: | INSECT BITE REACTION / PAPULAR URTICARIA | Category: | bites and stings | ||
| Body Site: | leg | Age: | 3 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | multiple grouped edematous red 3 mm papules, some with a central vesicle, crust, and/or surrounding scale and erythema | ||||
| Comments: | This healthy 3-year-old boy demonstrates chronic and recurrent insect bite reaction. Note the linear clusters of papules typical of "breakfast, lunch, and dinner" grouping of lesions. The eruption was limited to exposed areas, and some lesions on his arms developed surrounding eczematous changes. | ||||
| Related Images: | All related Images infected_insect_bite_reaction_1_071019 infected_insect_bite_reaction_3_071019 | ||||
 © 2001-2009, DermAtlas | Image Name: | infected_insect_bite_reaction_1_071019 | File Type: | jpg | |
| Diagnosis: | INSECT BITE REACTION / PAPULAR URTICARIA | Category: | bites and stings | ||
| Body Site: | leg | Age: | 3 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | multiple grouped edematous red 3 mm papules, some with a central vesicle, crust, and/or surrounding scale and erythema | ||||
| Comments: | This healthy 3-year-old boy demonstrates chronic and recurrent insect bite reaction. Note the linear clusters of papules typical of "breakfast, lunch, and dinner" grouping of lesions. The eruption was limited to exposed areas, and some lesions on his arms developed surrounding eczematous changes. | ||||
| Related Images: | All related Images infected_insect_bite_reaction_2_071019 infected_insect_bite_reaction_3_071019 | ||||
 © 2001-2009, DermAtlas | Image Name: | insect_bites_2_070731 | File Type: | jpg | |
| Diagnosis: | INSECT BITE REACTION | Category: | bites and stings | ||
| Body Site: | back / chest | Age: | 15 months | ||
| Contributor: | Bernardo Raigosa, MD | ||||
| Description: | red excoriated 2-3 mm papules on exposed areas | ||||
| Comments: | This healthy 15-month-old girl demonstrates excoriated insect bites which have evolved on exposed areas of her skin for a month. | ||||
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