Steatocystoma multiplexhttps://en.wikipedia.org/wiki/Steatocystoma_multiplex
Ko te Steatocystoma multiplex he mate whakawhanau tino pai, he autosomal e hua ana i te maha o ngā kirikiri ki te tinana o te tangata. He iti te nuinga (2–20 mm), engari he maha pea ka henimita te whanui. He ngawari ki te whakau i ngā putunga āhua‑whakawhiti, ā, he wai kowhai kei roto.

Ka timata te mate i te wā e pakeke ana nā te whakaihiihi hormonal o te wā i te pūkōrero pilosebaceous. I te nuinga o te wā, ka ara ake i runga i te umu, ā, ka puta anō pea ki te puku, ki ngā ringaringa o runga, ki ngā kaokao me te kanohi. I ētahi wā ka tupu pea te kirikiri puta noa i te tinana.

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  • Ina kitea ki te ringa, ki te kaki rānei, ka puta he kōtēone iti, he uaua, he kiri ā‑roto e kore e kitea.
    References Steatocystoma Multiplex 38283021 
    NIH
    Steatocystoma multiplex (SM), e mohiotia ana ko te steatocystomatosis, te mate polycystic epidermal rānei, he āhua onge me te ngawari o te kiri e whakaatuhia ana e te maha o ngā kirikiri sebaceous intradermal, ā, he rerekē te rahi. I roto i te haumanu, ka puta te SM he maha, he māneene, he pakari, he kapoipoi, he kapoke, ā, he maha ngā wā kāore he tohu. Ko ēnei patunga he porowhita me te riterite te rahi, mai i te torutoru mītamita ki te henemita te whānui. He kōwhai pea kei runga i te mata, ko ngā mea hohonu ka rite ki te tae kiri. Ko te wai i roto i ēnei kiri he kore kakara, he hinuhinu, ā, he rerekē ngā tohu o te marama me te tae. Kāore i te rite ki ngā kiri o te kiri, kārekau he tuwhera i waenganui o te kiri kei runga i te kiri. Ka taea e SM te tipu ki ngā wāhi katoa o te tinana, engari ka kitea i ngā rohe nui pērā i te katua, te kaki, te mahunga, ngā papa, ngā ringa, ngā waewae, me te wāhi.
    Steatocystoma multiplex (SM, also known as steatocystomatosis, sebocystomatosis, or epidermal polycystic disease) is a rare benign intradermal true sebaceous cyst of various sizes. Clinically, SM presents as asymptomatic, numerous, round, smooth, firm, mobile, cystic papules, and nodules. The lesions are uniform, with a size of a few millimeters to centimeters along the long axis. The superficial lesions are yellowish, and deeper lesions tend to be skin-colored. The fluid in SM is odorless, oily, clear or opaque, milky or yellow. The overlying epidermal skin is often normal, with no central punctum. SM can occur anywhere in the body but is more frequently seen in areas rich in pilosebaceous units such as the trunk (especially the presternal region), neck, scalp, axilla, proximal extremities, and inguinal region.
     Steatocystoma multiplex - Case reports 14594591
    I uru mai tētahi tāngata 25‑tau te pakeke me te mate kiri i runga i ōna ringa, ūma, me tōna puku. Kua 20 tau ia e mau ana i te kapia kore mamae, ka timata i runga i tōna ūma, ka horapa ki ōna ringa i roto i ngā tau 7 kua hipa.
    A 25-year-old man came in with a skin condition on his arms, chest, and abdomen. He had been with painless lumps for 20 years, starting on his chest and spreading to his arms over the past 7 years.