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 © 2001-2010, DermAtlas | Image Name: | vellus_hair_cyst_2_060130 | File Type: | jpg | |
| Diagnosis: | VELLUS HAIR CYSTS, ERUPTIVE / CYST | Category: | cysts / genodermatosis/genetic disorder | ||
| Body Site: | chest | Age: | 34 years | ||
| Contributor: | Greg Hosler, MD, PhD | ||||
| Description: | At higher power of the same lesion, the cyst lining is thin and squamous. Within the lumen there are abundant thin vellus hairs, caught in cross-section. | ||||
| Comments: | This vellus hair cyst was an isolated lesion on a 34-year-old Asian male, and likely idiopathic. When multiple, they can be associated with eruptive vellus hair cysts, an autosomal dominant disorder. The chest and abdomen are common places for them. Histologically, they are distinctive, as they often have multiple vellus hairs within the cyst lumen, as in this case. Sometimes follicles are present in the cyst wall, supporting their follicular infundibulum derivation. | ||||
| Related Images: | vellus_hair_cyst_1_060130 | ||||
 © 2001-2010, DermAtlas | Image Name: | vellus_hair_cyst_1_060130 | File Type: | jpg | |
| Diagnosis: | VELLUS HAIR CYSTS, ERUPTIVE | Category: | cysts / genodermatosis/genetic disorder | ||
| Body Site: | chest | Age: | 34 years | ||
| Contributor: | Greg Hosler, MD, PhD | ||||
| Description: | Histologic sections of skin show a bland-appearing cyst deep within the reticular dermis. At low power, the lining appears squamous with abundant hairs within the lumen. | ||||
| Comments: | This vellus hair cyst was an isolated lesion on a 34-year-old Asian male, and likely idiopathic. When multiple, they can be associated with eruptive vellus hair cysts, an autosomal dominant disorder. The chest and abdomen are common places for them. Histologically, they are distinctive, as they often have multiple vellus hairs within the cyst lumen, as in this case. Sometimes follicles are present in the cyst wall, supporting their follicular infundibulum derivation. | ||||
| Related Images: | vellus_hair_cyst_2_060130 | ||||
 © 2001-2010, DermAtlas | Image Name: | vellus_hair_cysts_1_050820 | File Type: | jpg | |
| Diagnosis: | VELLUS HAIR CYSTS, ERUPTIVE / MALFORMATION, CONGENITAL | Category: | lumps & bumps (plaques, nodules, tumors) / congenital malformation | ||
| Body Site: | abdomen | Age: | 5 years | ||
| Contributor: | Will Sorey, MD | ||||
| Description: | multiple 2 mm grouped hyperpigmented follicular papules | ||||
| Comments: | This healthy 5-year-old girl had multiple asymptomatic congenital follicular papules on the lower mid abdomen. Occasionally hairs were noted to pop out of the lesions. | ||||
 © 2001-2010, DermAtlas | Image Name: | vellus_hair_cyst_1_050523 | File Type: | jpg | |
| Diagnosis: | VELLUS HAIR CYSTS, ERUPTIVE / GYNECOMASTIA | Category: | hair disorders / normal physiologic variant | ||
| Body Site: | chest | Age: | 12 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | gynechomastia with multiple symmetric follicular hyperpigmented papules | ||||
| Comments: | This healthy 12-year-old boy with benign gynechomastia developed multiple follicular papules on his chest 3 years ago. The central core of some of the lesions discharged a yellow material. A skin biopsy revealed a ruptured vellus hair follicle. | ||||
| Related Images: | vellus_hair_cyst_2_050523 | ||||
 © 2001-2010, DermAtlas | Image Name: | vellus_hair_cyst_2_050523 | File Type: | jpg | |
| Diagnosis: | VELLUS HAIR CYSTS, ERUPTIVE / GYNECOMASTIA | Category: | hair disorders / normal physiologic variant | ||
| Body Site: | chest | Age: | 12 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | gynechomastia with multiple symmetric follicular hyperpigmented papules | ||||
| Comments: | This healthy 12-year-old boy with benign gynechomastia developed multiple follicular papules on his chest 3 years ago. The central core of some of the lesions discharged a yellow material. A skin biopsy revealed a ruptured vellus hair follicle. | ||||
| Related Images: | vellus_hair_cyst_1_050523 | ||||
 © 2001-2010, DermAtlas | Image Name: | vellus_hair_cysts_1_050507 | File Type: | jpg | |
| Diagnosis: | VELLUS HAIR CYSTS, ERUPTIVE | Category: | hair disorders / hyperpigmentation | ||
| Body Site: | cheek / abdomen arm | Age: | 9 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | symmetric grouped hyperpigmented follicular papules | ||||
| Comments: | Two healthy brothers developed multiuple follicular papules on the chest, abdomen, flexures of the arms, and a few on the flanks about a year ago. The contents of a papule on the chest was prepared with potassium hydroxide and revealed multiple vellus hairs. | ||||
| Related Images: | All related Images vellus_hair_cysts_7_050507 vellus_hair_cysts_6_050507 vellus_hair_cysts_5_050507 vellus_hair_cysts_4_050507 vellus_hair_cysts_3_050507 vellus_hair_cysts_2_050507 | ||||
 © 2001-2010, DermAtlas | Image Name: | vellus_hair_cysts_2_050507 | File Type: | jpg | |
| Diagnosis: | VELLUS HAIR CYSTS, ERUPTIVE | Category: | hair disorders / hyperpigmentation | ||
| Body Site: | chest / abdomen arm | Age: | 9 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | symmetric grouped hyperpigmented follicular papules | ||||
| Comments: | Two healthy brothers developed multiuple follicular papules on the chest, abdomen, flexures of the arms, and a few on the flanks about a year ago. The contents of a papule on the chest was prepared with potassium hydroxide and revealed multiple vellus hairs. | ||||
| Related Images: | All related Images vellus_hair_cysts_7_050507 vellus_hair_cysts_6_050507 vellus_hair_cysts_5_050507 vellus_hair_cysts_4_050507 vellus_hair_cysts_3_050507 vellus_hair_cysts_1_050507 | ||||
 © 2001-2010, DermAtlas | Image Name: | vellus_hair_cysts_3_050507 | File Type: | jpg | |
| Diagnosis: | VELLUS HAIR CYSTS, ERUPTIVE | Category: | hair disorders / hyperpigmentation | ||
| Body Site: | arm / abdomen | Age: | 9 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | symmetric grouped hyperpigmented follicular papules | ||||
| Comments: | Two healthy brothers developed multiuple follicular papules on the chest, abdomen, flexures of the arms, and a few on the flanks about a year ago. The contents of a papule on the chest was prepared with potassium hydroxide and revealed multiple vellus hairs. | ||||
| Related Images: | All related Images vellus_hair_cysts_7_050507 vellus_hair_cysts_6_050507 vellus_hair_cysts_5_050507 vellus_hair_cysts_4_050507 vellus_hair_cysts_2_050507 vellus_hair_cysts_1_050507 | ||||
 © 2001-2010, DermAtlas | Image Name: | vellus_hair_cysts_4_050507 | File Type: | jpg | |
| Diagnosis: | VELLUS HAIR CYSTS, ERUPTIVE | Category: | hair disorders / hyperpigmentation | ||
| Body Site: | chest / abdomen arm | Age: | 9 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | symmetric grouped hyperpigmented follicular papules | ||||
| Comments: | Two healthy brothers developed multiuple follicular papules on the chest, abdomen, flexures of the arms, and a few on the flanks about a year ago. The contents of a papule on the chest was prepared with potassium hydroxide and revealed multiple vellus hairs. | ||||
| Related Images: | All related Images vellus_hair_cysts_7_050507 vellus_hair_cysts_6_050507 vellus_hair_cysts_5_050507 vellus_hair_cysts_3_050507 vellus_hair_cysts_2_050507 vellus_hair_cysts_1_050507 | ||||
 © 2001-2010, DermAtlas | Image Name: | vellus_hair_cysts_5_050507 | File Type: | jpg | |
| Diagnosis: | VELLUS HAIR CYSTS, ERUPTIVE | Category: | hair disorders / hyperpigmentation | ||
| Body Site: | chest / abdomen arm | Age: | 9 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | symmetric grouped hyperpigmented follicular papules | ||||
| Comments: | Two healthy brothers developed multiuple follicular papules on the chest, abdomen, flexures of the arms, and a few on the flanks about a year ago. The contents of a papule on the chest was prepared with potassium hydroxide and revealed multiple vellus hairs. | ||||
| Related Images: | All related Images vellus_hair_cysts_7_050507 vellus_hair_cysts_6_050507 vellus_hair_cysts_4_050507 vellus_hair_cysts_3_050507 vellus_hair_cysts_2_050507 vellus_hair_cysts_1_050507 | ||||
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