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1. 尋常性ざ瘡の病因、臨床症状、および診断pathogenesis clinical manifestations and diagnosis of acne vulgaris [show details]
…been proposed : Accumulation of sebum and keratinous material converts a microcomedo into a closed comedo The follicular orifice is opened with continued distension, forming an open comedo Densely …
2. 正常思春期normal puberty [show details]
…leads to the development of a blackhead without inflammatory acne. With a small opening, a closed comedo (whitehead) forms and may lead to inflammatory acne if the comedo ruptures into the dermis. With pubertal…
3. 外陰膿瘍vulvar abscess [show details]
…is treated. Patients typically report a painful vulvar mass, sometimes described by patients as a "pimple" or a "spider bite." In addition, they may also complain of vulvar fullness or pressure, or pain…
4. 牽引性脱毛症traction alopecia [show details]
…(odds ratio 3.47, CI 1.94-6.20) . A history of certain hair dressing-associated symptoms (pain, pimples, crusts) may also be associated with increased risk for traction alopecia. The same study found that …
5. 炭疽の予防prevention of anthrax [show details]
…personnel should be notified, and exposed persons should be monitored for development of a spot, pimple, or boil, especially in the exposed areas. For naturally occurring gastrointestinal exposure, such…

English Journal

Comedonal graft-vs-host disease: a distinct clinical expression of a lichenoid follicular GVHD.

Llamas-Velasco M, Solano-López Morel GE, Gruber-Wackernagel A, Concha-Garzón MJ, Requena L, Cerroni L.
Journal of cutaneous pathology. 2014 Nov;41(11)853-8.
We report two cases of chronic follicular graft-vs-host disease (GVHD) that resemble closed and open acne-like comedones. We propose the term 'comedonal GVHD' for this variant. A 47-year-old man presented with multiple 2-4-mm acne-like follicular papules in facial areas on day 82 status post bone ma
PMID 25264218

Two Concurrent Facial Epidermal Nevi without Systemic Abnormalities: Nevus Sebaceus and Nevus Comedonicus.

Jung HJ, Cha HW, Lim HJ, Lee SJ, Kim DW, Lee WJ.
Annals of dermatology. 2014 Aug;26(4)501-4.
Epidermal nevi (EN) are hamartomatous lesions derived from epidermal components originating from pluripotent cell mutations. They have been categorized according to their predominant component. The existence of >2 types of EN concurrently within a single area or within contiguous areas has been rare
PMID 25143681

Hubiche T, Sibaud V.
Dermatology online journal. 2014 Feb;20(2).
The appearance of localized acne or comedo reaction during or shortly after radiotherapy is an unusual adverse event, but one that is probably underestimated. It can manifest as an inflammatory (papules, pustules, nodules), comedonal (open and closed comedones, Favre-Racouchot-like syndrome), or mix
PMID 24612578