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 © 2001-2009, DermAtlas | Image Name: | kfsd_3_070201 | File Type: | jpg | |
| Diagnosis: | KERATOSIS PILARIS ATROPHICANS | Category: | genodermatosis/genetic disorder / hair disorders | ||
| Body Site: | scalp | Age: | 20 years | ||
| Contributor: | Greg Hosler, MD, PhD | ||||
| Description: | In other foci, there is suppuration and extruded hair shafts. | ||||
| Comments: | Keratosis pilaris atrophicans is a group of fairly esoteric disorders. This particular patient has keratosis folliculitis spinulosa decalvans, a subtype which clinically shows generaized keratosis pilaris with facial and scalp follicular atrophy, plugging and alopecia. Biopsies from the keratosis pilaris region are indistinguishable from idiopathic keratosis pilaris, i.e. follicular plugging with dense keratinization and elevation of the plug over the epidermal contour. This biopsy was from the scalp during an active phase of the disease. These histologic findings show overlap with the folliculopustular processes like dissecting cellulitis or folliculitis Decalvans, and will eventually lead to a cicatricial alopecia. | ||||
 © 2001-2009, DermAtlas | Image Name: | kfsd_2_070201 | File Type: | jpg | |
| Diagnosis: | KERATOSIS PILARIS ATROPHICANS | Category: | genodermatosis/genetic disorder / hair disorders | ||
| Body Site: | scalp | Age: | 20 years | ||
| Contributor: | Greg Hosler, MD, PhD | ||||
| Description: | The follicles become distorted with a suggestion of atrophy. A mixed inflammatory infiltrate and fibrosis are in the background. | ||||
| Comments: | Keratosis pilaris atrophicans is a group of fairly esoteric disorders. This particular patient has keratosis folliculitis spinulosa decalvans, a subtype which clinically shows generaized keratosis pilaris with facial and scalp follicular atrophy, plugging and alopecia. Biopsies from the keratosis pilaris region are indistinguishable from idiopathic keratosis pilaris, i.e. follicular plugging with dense keratinization and elevation of the plug over the epidermal contour. This biopsy was from the scalp during an active phase of the disease. These histologic findings show overlap with the folliculopustular processes like dissecting cellulitis or folliculitis Decalvans, and will eventually lead to a cicatricial alopecia. | ||||
 © 2001-2009, DermAtlas | Image Name: | kfsd_1_070201 | File Type: | jpg | |
| Diagnosis: | KERATOSIS PILARIS ATROPHICANS | Category: | genodermatosis/genetic disorder / hair disorders | ||
| Body Site: | scalp | Age: | 20 years | ||
| Contributor: | Greg Hosler, MD, PhD | ||||
| Description: | A low power image shows a dense inflammatory infiltrate with distorted follicles and extruded hair shafts. The epidermis is breaking down. | ||||
| Comments: | Keratosis pilaris atrophicans is a group of fairly esoteric disorders. This particular patient has keratosis folliculitis spinulosa decalvans, a subtype which clinically shows generaized keratosis pilaris with facial and scalp follicular atrophy, plugging and alopecia. Biopsies from the keratosis pilaris region are indistinguishable from idiopathic keratosis pilaris, i.e. follicular plugging with dense keratinization and elevation of the plug over the epidermal contour. This biopsy was from the scalp during an active phase of the disease. These histologic findings show overlap with the folliculopustular processes like dissecting cellulitis or folliculitis Decalvans, and will eventually lead to a cicatricial alopecia. | ||||
 © 2001-2009, DermAtlas | Image Name: | keratosis_pilaris_atrophicans_3_070127 | File Type: | jpg | |
| Diagnosis: | KERATOSIS PILARIS / KERATOSIS PILARIS ATROPHICANS / SCAR | Category: | genodermatosis/genetic disorder / papulosquamous eruptions | ||
| Body Site: | cheek / face | Age: | 8 years | ||
| Contributor: | Tim Doran, MD | ||||
| Description: | symmetric scaly sand paperlike papules some with central crusts and varicelliform scars | ||||
| Comments: | This healthy 8-year-old boy had a history of slowly progressive scaly sand paperlike papules on his cheeks which healed with varicelliform scars beginning in infancy. He was healthy and had no history of alopecia. The family history was negative for similar lesions and other skin disorders. | ||||
| Related Images: | All related Images keratosis_pilaris_atrophicans_1_070127 keratosis_pilaris_atrophicans_2_070127 | ||||
 © 2001-2009, DermAtlas | Image Name: | keratosis_pilaris_atrophicans_2_070127 | File Type: | jpg | |
| Diagnosis: | KERATOSIS PILARIS / KERATOSIS PILARIS ATROPHICANS / SCAR | Category: | genodermatosis/genetic disorder / papulosquamous eruptions | ||
| Body Site: | cheek / face | Age: | 8 years | ||
| Contributor: | Tim Doran, MD | ||||
| Description: | symmetric scaly sand paperlike papules some with central crusts and varicelliform scars | ||||
| Comments: | This healthy 8-year-old boy had a history of slowly progressive scaly sand paperlike papules on his cheeks which healed with varicelliform scars beginning in infancy. He was healthy and had no history of alopecia. The family history was negative for similar lesions and other skin disorders. | ||||
| Related Images: | All related Images keratosis_pilaris_atrophicans_1_070127 keratosis_pilaris_atrophicans_3_070127 | ||||
 © 2001-2009, DermAtlas | Image Name: | keratosis_pilaris_atrophicans_1_070127 | File Type: | jpg | |
| Diagnosis: | KERATOSIS PILARIS / KERATOSIS PILARIS ATROPHICANS / SCAR | Category: | genodermatosis/genetic disorder / papulosquamous eruptions | ||
| Body Site: | cheek / face | Age: | 8 years | ||
| Contributor: | Tim Doran, MD | ||||
| Description: | symmetric scaly sand paperlike papules some with central crusts and varicelliform scars | ||||
| Comments: | This healthy 8-year-old boy had a history of slowly progressive scaly sand paperlike papules on his cheeks which healed with varicelliform scars beginning in infancy. He was healthy and had no history of alopecia. The family history was negative for similar lesions and other skin disorders. | ||||
| Related Images: | All related Images keratosis_pilaris_atrophicans_2_070127 keratosis_pilaris_atrophicans_3_070127 | ||||
 © 2001-2009, DermAtlas | Image Name: | Ulerythema_Ophryogenes_2_020211 | File Type: | jpg | |
| Diagnosis: | KERATOSIS PILARIS ATROPHICANS / ULERYTHEMA OPHRYOGENES | Category: | genodermatosis/genetic disorder / papulosquamous eruptions / hair disorders | ||
| Body Site: | eye brow / face forehead / cheek | Age: | 12 years | ||
| Contributor: | Eric Ehrsam, MD | ||||
| Description: | symmetric erythema with follicular papules and alopecia of lateral eye brows | ||||
| Comments: | A 12 year old boy developed progressive erythema with follicular papules on the cheeks and eyebrows. Hair loss was prominent on the lateral eyebrows. | ||||
| Related Images: | Ulerythema_Ophryogenes_1_020211 | ||||
 © 2001-2009, DermAtlas | Image Name: | Ulerythema_Ophryogenes_1_020211 | File Type: | jpg | |
| Diagnosis: | KERATOSIS PILARIS ATROPHICANS / ULERYTHEMA OPHRYOGENES | Category: | papulosquamous eruptions / genodermatosis/genetic disorder / hair disorders | ||
| Body Site: | eye brow / cheek face / forehead | Age: | 12 years | ||
| Contributor: | Eric Ehrsam, MD | ||||
| Description: | symmetric erythema with follicular papules and alopecia of lateral eye brows | ||||
| Comments: | A 12 year old boy developed progressive erythema with follicular papules on the cheeks and eyebrows. Hair loss was prominent on the lateral eyebrows. | ||||
| Related Images: | Ulerythema_Ophryogenes_2_020211 | ||||
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