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 © 2001-2009, DermAtlas | Image Name: | papular_urticaria_4_090818 | File Type: | jpg | |
| Diagnosis: | PAPULAR URTICARIA / INSECT BITE REACTION | Category: | environmental injury / hypersensitivity | ||
| Body Site: | foot / ankle | Age: | 26 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | |||||
| Comments: | This healthy young adult developed an intensely pruritic eruption on his feet after walking barefoot in the garden 3 days ago. Note the uniformity of the fixed edematous papules with surrounding pallor and the organization of lesions in a linear pattern. | ||||
| Related Images: | All related Images papular_urticaria_1_090818 papular_urticaria_2_090818 papular_urticaria_3_090818 | ||||
 © 2001-2009, DermAtlas | Image Name: | papular_urticaria_3_090818 | File Type: | jpg | |
| Diagnosis: | PAPULAR URTICARIA / INSECT BITE REACTION | Category: | environmental injury / hypersensitivity | ||
| Body Site: | foot / ankle | Age: | 26 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | |||||
| Comments: | This healthy young adult developed an intensely pruritic eruption on his feet after walking barefoot in the garden 3 days ago. Note the uniformity of the fixed edematous papules with surrounding pallor and the organization of lesions in a linear pattern. | ||||
| Related Images: | All related Images papular_urticaria_1_090818 papular_urticaria_2_090818 papular_urticaria_4_090818 | ||||
 © 2001-2009, DermAtlas | Image Name: | papular_urticaria_2_090818 | File Type: | jpg | |
| Diagnosis: | PAPULAR URTICARIA / INSECT BITE REACTION | Category: | environmental injury / hypersensitivity | ||
| Body Site: | foot / ankle | Age: | 26 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | |||||
| Comments: | This healthy young adult developed an intensely pruritic eruption on his feet after walking barefoot in the garden 3 days ago. Note the uniformity of the fixed edematous papules with surrounding pallor and the organization of lesions in a linear pattern. | ||||
| Related Images: | All related Images papular_urticaria_1_090818 papular_urticaria_3_090818 papular_urticaria_4_090818 | ||||
 © 2001-2009, DermAtlas | Image Name: | papular_urticaria_1_090818 | File Type: | jpg | |
| Diagnosis: | PAPULAR URTICARIA / INSECT BITE REACTION | Category: | environmental injury / hypersensitivity | ||
| Body Site: | foot / ankle | Age: | 26 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | |||||
| Comments: | This healthy young adult developed an intensely pruritic eruption on his feet after walking barefoot in the garden 3 days ago. Note the uniformity of the fixed edematous papules with surrounding pallor and the organization of lesions in a linear pattern. | ||||
| Related Images: | All related Images papular_urticaria_2_090818 papular_urticaria_3_090818 papular_urticaria_4_090818 | ||||
 © 2001-2009, DermAtlas | Image Name: | pyoderma_ganrenosum_1_090617 | File Type: | jpg | |
| Diagnosis: | PYODERMA GANGRENOSUM | Category: | ulcer / reactive erythema | ||
| Body Site: | ankle / foot / foot | Age: | 12 years | ||
| Contributor: | Yung Kelly | ||||
| Description: | healing ulcers and scars with surrounding erythema and hyperpigmentation | ||||
| Comments: | This 12-year-old boy had recurrent and persistent painful ulcers on his leg and ankle. He did improve on oral prednisone, buit when the medication was tapered new lesions appeared on the ankle. He had no history of inflammatory bowel disease, underlying malignancy, sarcoidosis, or other chronic illness. An extensive medical and laboratory evaluation ( ANA, anti-dsDNA, anti-ENA, ANCA, and Cryoglobulin)was negative . | ||||
 © 2001-2009, DermAtlas | Image Name: | angioleiomyoma_1_090401 | File Type: | jpg | |
| Diagnosis: | ANGIOLEIOMYOMA | Category: | neoplasm, muscle / neoplasm, benign | ||
| Body Site: | ankle | Age: | 35 years | ||
| Contributor: | Greg Hosler, MD, PhD | ||||
| Description: | There is a well-circumscribed solitary nodule within the deep dermis on acral skin. It is brightly eosinophilic and consists of spindled cells. | ||||
| Comments: | This 35 year old woman had a long-standing solitary mass on her ankle. It was mildly painful. It was biopsied as a possible cyst or glomus tumor. Angioleiomyomas are the "pink balls in the dermis" and also part of the painful skin lesion mneumonic. This is a typical example with a very distinctive look, arising from the deep dermal and subcutaneous vessel walls. The vessels may not be a prominent component as they are often collapsed. Some variants are cellular. These are easily differentiated from piloleiomyomas, which at low power ramify through collagen bundles instead of having circumscription. | ||||
| Related Images: | angioleiomyoma_2_090401 | ||||
 © 2001-2009, DermAtlas | Image Name: | angioleiomyoma_2_090401 | File Type: | jpg | |
| Diagnosis: | ANGIOLEIOMYOMA | Category: | neoplasm, muscle / neoplasm, benign | ||
| Body Site: | ankle | Age: | 35 years | ||
| Contributor: | Greg Hosler, MD, PhD | ||||
| Description: | The cells have short, blunt-ended nuclei and abundant pink cytoplasm. When cut in cross-section, there are perinuclear vacuoles. The vessels are fairly inconspicuous. There is no cytologic atypia or mitotic activity. | ||||
| Comments: | This 35 year old woman had a long-standing solitary mass on her ankle. It was mildly painful. It was biopsied as a possible cyst or glomus tumor. Angioleiomyomas are the "pink balls in the dermis" and also part of the painful skin lesion mneumonic. This is a typical example with a very distinctive look, arising from the deep dermal and subcutaneous vessel walls. The vessels may not be a prominent component as they are often collapsed. Some variants are cellular. These are easily differentiated from piloleiomyomas, which at low power ramify through collagen bundles instead of having circumscription. | ||||
| Related Images: | angioleiomyoma_1_090401 | ||||
 © 2001-2009, DermAtlas | Image Name: | Leishmaniasis_1_090304 | File Type: | jpg | |
| Diagnosis: | LEISHMANIASIS | Category: | ulcer / tropical medicine / infections and infestations | ||
| Body Site: | ankle foot / leg | Age: | 21 years | ||
| Contributor: | Brock Andersen, MD | ||||
| Description: | 1.5 cm ulcerated indurated plaque with surrounding erythema and a smaller satellite lesions | ||||
| Comments: | This 21-year-old Marine was evaluated during his second deployment for a non-healing ulcer for 4 weeks. He was in an area with high concentration of sand flies 9 months prior to presentation. The eruption started as a blister but quickly developed into an itchy ulcer with the satellite lesions. The lesion was slightly indurated at the borders with surrounding erythema and edema. Biopsy confirmed Leishmaniasis, and the ulcer healed with supportive measures (for itching) in 5 months. | ||||
 © 2001-2009, DermAtlas | Image Name: | Scabies_1_081007 | File Type: | jpg | |
| Diagnosis: | SCABIES / BURROW | Category: | infections and infestations | ||
| Body Site: | foot / ankle toe | Age: | 5 months | ||
| Contributor: | Will Sorey, MD | ||||
| Description: | generalized red papules and pustules many of which are elongated with overlying linear scale | ||||
| Comments: | This 5-month-old was covered with scaly papules and pustules with most prominent involvement of the feet. Her mother had similar lesions with generalized excoriations. Note that many of the papules and pustules are elongated typical of burrows. This case was prepared by University of Mississippi year 4 medical student Yakeyla Nave. | ||||
 © 2001-2009, DermAtlas | Image Name: | chemotherapy_1_080801 | File Type: | jpg | |
| Diagnosis: | DRUG REACTION | Category: | drug reaction / Iatrogenic disorders, child abuse, | ||
| Body Site: | ankle / foot arm | Age: | 60 years | ||
| Contributor: | Greg Hosler, MD, PhD | ||||
| Description: | There is keratinocytic atypia and mild nuclear pleomorphism with scattered dyskeratotic cells. The dysplastic change of an actinic keratosis or Bowen's disease is not seen. | ||||
| Comments: | This 60 year old man was on Avastin, Ioxitane, and Zometa for prostate cancer, all of which have been reported to cause cutaneous eruptions. He developed erythematous to violaceous hemorrhagic plaques on his extremities over two months. Chemotherapeutic drugs can cause acral erythema, hidradenitis, radiation recall dermatitis, and others. This case shows keratinocytic dysmaturation, a common finding with certain chemotherapies. | ||||
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