I fa te hian an taksa khawi emaw laiah lump te tak te a nei em? A nih loh leh vun rawng emaw, itchy rash emaw, a dam lo ang em? A châng chuan hengte hi a pangngai a, mahse a tlem berah chuan Langerhans Cell Histiocytosis (LCH) tih hming pu natna hlauhawm tak chhinchhiahna a ni thei. He hming i hriat hian hlauhthawn hi thil pangngai tak a ni a, a chhan chu kan hriat thiam loh thil a ni lo. Mahse, lungngai suh, thu awlsam takin sawi ila.
A awlsam zawngin LCH chu eng nge ni?
Kan taksa hi ram lian tak angin han ngaihtuah teh. He ram humhim tur hian sipai a awm a, chu chu kan immune system a ni . He sipaiah hian sipai chi khat bik chu Langerhans cells an ti a . Heng cell te hi thisen var chi khat an ni. An hna ber chu kan taksaa hrik leh hri kai lo lutte do a, natna laka min humhim hi a ni. Heng sipaite hi kan taksa pumpuiah, a bik takin vun, lung, lymph node, ruhro, ril, leh thin (liver)-ah te an awm a.
Mahse LCH-ah chuan heng Langerhans cell te hi thunun theih lohvin an pung a, taksa hmun hrang hrangah an pung khawm thin. Sipai rual rual insual lovin hmun khata ding kual mai mai ang mai a ni. Hetianga an punkhawm chuan chu hmuna tissue hrisel tak takte chu an tichhe tan thin. Chu hmunah chuan lesions a lo awm thin.
Hetiang dinhmun chungchanga thu lawmawm tak chu naupang tam zawk chu enkawlna mumal tak an neih chuan natna atang hian an dam chhuak vek thei tih hi a ni. A chang chuan, a bik takin vun chauh a nghawng a nih chuan, enkawl ngai lovin a mah chauhin a bo thei. Mahse, heng cell te hian taksa peng pawimawh tak tak, ruhro, ruhro emaw, thin emaw a nghawng chuan enkawlna nasa zawk a ngai mai thei.
LCH hi cancer a ni em?
Hei hi mi tam takin zawhna an neih a ni. Dik tak chuan hemi chungchangah hian doctor-te zingah inrem lohna tlem a la awm. Zirchiangtu tam tak chuan LCH hi cancer ang chi, chu chu neoplasm -ah an ngai a ni. Chu chu cell te than dan pangngai lo tihna a ni. Mahse midangte chuan immune system inflammatory disease niin an ngai thung.
Mahse, LCH hi oncologist-te enkawl a ni a, cancer leh thisen natna lama tui tak an ni. A châng chuan cancer dona damdawi chi hrang hrang, chemotherapy ang chi te pawh hi a enkawl nan hman a ni.
He natna hi tuin nge vei tam ber?
LCH hi nausen piang thar leh naupang kum 1 leh 15 inkar ah hmuh tur a tam ber a, puitling hi an tlem hle a, mahse thil theih loh a ni lo.
Statistics-ah chuan nau piang thar maktaduai khat zinga pakhat emaw pahnih emaw chauh hi kum tin he natna vei hian an piang thin. Hei hian a awmzia chu a awm lo hle tihna a ni.
LCH natna lanchhuahna chu engte nge ni?
LCH hian naupang zawng zawng a nghawng dan inang lo. Naupang thenkhat chuan an taksa hmun khat chauh a nghawng thei a, thenkhat erawh chuan an taksa hmun tam tak a nghawng thei thung. Chuvangin taksa peng hrang hrang a nghawng dan azirin a natna lan chhuah dan a inang lo. Eng nge an nih i han thlir teh ang.
| Taksa peng a nghawng | Symptoms hmuh theih a awm |
|---|---|
| Ruh te | LCH hian damlo 80% vel ruh a nghawng a ni. Luruh, mit vel ruh, beng hnunglam, hmui ruh, ke leh ke ruh, ruhro leh hip-ah te hian lump emaw swelling emaw a lo lang thei a ni. Natna a awm thei a, a awm lo thei bawk. Tin, lu na, kawng/ hnungzang na, kal harsa, leh ke ruh na tak tak hmuh tur a awm thei bawk. |
| Vun | Rash awm tam ber chu vun rash a ni. Cradle cap hi naute lu chungah a lang thei a, a dam lo thei bawk. Groin, armpits, stomach, chest leh back-ah te hian red, scaly patches a lo lang thei a. Chungte chu a ooze thei a, itchy emaw, na emaw pawh a awm thei. Nail te pawh a rawng a danglam thei a, a tla thei bawk. |
| Ka | Ha hring emaw, ha hring emaw, ha hnungtawlh, hmui hring, hmui, lei, hmui chhung emaw, hmui chung emawa hliam. |
| Liver emaw Spleen emaw a ni thei | Liver emaw spleen lian lutuk hian pum a ti na thei a, mit leh vun a ti sen (jaundice), a ti na a, a hah lutuk a, awlsam takin a hliam emaw thisen a chhuak thei bawk. |
| Bone Marrow a ni | Thisen sen (red blood cells) tlahniam avanga thisen tlakchhamna, vun rawng, hahna, leh ei duh lohna te. Thisen var tlahniam avanga natna hrik kai fo leh khawsik. Platelet tlahniam avanga hliam awlsam. |
| Endocrine System (Endocrine System - Hormone) te hi a tha hle a, a rilru a buai em em bawk a. | Pituitary gland a nghawng chuan: tuihal lutuk leh zun tam lutuk (diabetes insipidus), than chak lo, puitlin hma emaw tlai emaw, taksa rihna sang. Thyroid gland a nghawng chuan: gland a hring, thawk harsa. |
| Beng | Beng natna awm fo, beng atanga tui chhuak, beng sen, beng a na, beng na, leh hriatna hloh. |
| Mit | Mit bulging, mit chunglam hring, mit hmuh that lohna. |
| Lymph Nodes (Lymph Nodes) te a awm | Kawngkhar, kawrfual emaw, kawrfual emawa lumps (lumps) awm leh na. |
| Central Nervous System ah hian a awm a | Lu na, luak chhuak, luak chhuak, kal harsa, balance hloh (ataxia), tawng leh hmuh harsa, seizures, nungchang leh hriatrengna inthlak danglam. |
| Chuap | Hei hi puitling zingah a hluar hle a, a bik takin meizukte zingah a awm fo. Chhung na, khuh vawt, thawk harsa, lung tlu (pneumothorax). |
| Chaw kawng (Gastrointestinal Tract) a ni | Pum na, luak chhuak, luak chhuak, ek chhunga thisen awm, leh ei leh in lama harsatna avanga thang tha lo. |
A pawimawh ber chu heng symptoms te hi natna tlanglawn dang tam takah pawh hmuh theih a ni. Chuvangin heng symptoms pakhat emaw pahnih emaw i neih vang mai mai hian LCH hi hlau suh. Mahse heng symptoms te hi a la awm reng a nih chuan doctor pan a , diagnosis dik tak neih a pawimawh hle.
LCH awm chhan bik chu eng nge ni?
A awlsam zawngin kan cell te hian "tunah hian inthen darh la, tunah hian titawp rawh" titu gene an nei a. LCH vei naupang zinga a chanve vel chuan an gene-ah hian inthlak danglamna tlemte, a nih loh leh mutation, `BRAF .' He gene hian cell thanna control tu protein a siam a. He mutation avang hian chu protein chuan "stop dividing" tih thupek a hmu lo. 'on' switch a awm ang mai a ni. Chuvangin Langerhans cell te chu an inthen darh zel a, an inzawm khawm zel bawk.
Hei hi nu leh pa atanga fate rochun thil a ni lo. He genetic mutation hi nu pum chhunga nau a pai hnuah random takin a thleng thin.
`BRAF` gene bakah hian he natna hi gene dang `MAP2K1`, `RAS`, leh `ARAF`-a mutations vang pawh a ni thei tih zirchiangtute chuan an hmuchhuak a ni.
Engtin nge hei hi i hmuh theih, Doctor?
Doctor hnena i fa i hruai hunah i fa natna lan chhuah dan a zawt hmasa ang che. Tichuan, i fa chu uluk takin an enfiah ang. LCH hian taksa peng hrang hrang tam tak a nghawng theih avangin, a natna hriat chian nan test eng emaw zat neih a ngai mai thei.
| Test chi hrang hrang | A awlsam zawngin... |
|---|---|
| Thisen Test neih a ni | Full blood count (CBC) hian thisen chhunga red cell, white cell leh platelet awm zat a teh a ni. Thisen test pawh hi liver function ang chi thil enfiah nan an ti thin. |
| Biopsy tih a ni | Hei hi LCH nemnghehna kawng chiang ber a ni.Lump emaw lesion emaw atanga tissue te tak te chu anesthesia hmangin lakchhuah a ni a, microscope hmangin LCH cells a awm leh awm loh enfiah a ni. Bone marrow involved nia rinhlelh a awm chuan bone marrow biopsy pawh tih theih a ni. |
| Genetic Testing neih a ni | Biopsy atanga tissue sample lak chu `BRAF` gene-a mutation awm leh awm loh test nan hman a ni. |
| Imaging Test te pawh a awm | X-ray, CT scan, MRI scan, leh PET scan ang chi test te hian LCH hian chhungril taksa peng hrang hrang ruh, thluak leh lungah a nghawng nasat zia a hriat theih a ni. |
Heng test result a zirin i doctor chuan i fa chu pediatric hematologist/oncologist hnenah a refer ang.
LCH enkawl dan tur chu engte nge ni?
LCH nei naupang zawng zawng hian enkawlna chi khat an mamawh vek lo. Enkawlna chu natna awmna hmun leh a nasat danah a innghat a ni.
Doctor-te chuan LCH hi chi hnih ah an thliar hrang a:
1. Single-system LCH: He natna hian taksa peng hrang hrang pakhat (e.g., ruh chauh emaw, vun chauh emaw) a nghawng a ni.
2. Multi-system LCH: He natna hian taksa peng hrang hrang pahnih emaw a aia tam emaw (e.g., vun leh thin) a nghawng a.
Tin, taksa peng hrang hrang, liver, spleen, leh ruhro te chu "high-risk" organ anga ngaih a ni a, vun, ruh leh lung ang chi organ te erawh chu "low-risk" anga ngaih a ni thung. He classification hian enkawlna tur ruahmanna a siam a ni.
Enkawl dan tlangpui engemaw zat a awm a:
- Steroid therapy: A bik takin vun chauh a nghawng chuan steroid damdawi prednisone te hi pill emaw ointment emaw atan an hmang thin.
- Surgery: Ruh pakhata LCH tumor awm chu paih chhuah nan curettage ang chi surgery an ti thin.
- Chemotherapy: Hei hi damdawi chi khat, cancer cell thah nana pek thin a ni. LCH cell te hi an inthen chak em avangin heng damdawi te hian an thang lian thei lo. Heng damdawi te hi pill angin emaw, injection angin emaw, vunah cream hnawih angin emaw pek theih a ni.
- Radiation therapy: LCH cells tihchhiat nan high-energy rays a hmang thin. Tunah chuan hei hi hman a tlem hle.
- Targeted therapy hmanga enkawlna: 1.1.Naupang `BRAF` gene mutation nei tan chuan chu mutation target tu damdawi (BRAF inhibitors) a awm a. Hengte hian cell hrisel tak takte chu a tichhe tlem hle.
- Immunotherapy: Naupang ngei pawhin LCH cells do turin a taksa hriselna tichaktu.
- Stem cell transplant: Damdawi dang nena tihdam theih loh, natna khirh tak takah ngaihtuah thin.
Enkawl hnuah eng dinhmun nge a awm?
LCH prognosis hi thil engemaw zatah a innghat a, chung zingah chuan natna hian taksa peng eng nge a nghawng tih te, eng chen nge a darh tawh tih te, enkawlna a dawn danah engtiang chiahin nge a chhan theih tih te a ni.
- Naupang "low-risk" organ involvement chauh nei (single-system leh multi-system pahnih) te damna rate chu 100% vel a ni . Chumi awmzia chu thihna hlauhawm a awm lo tihna a ni. Mahse, a lo lang leh emaw, hun rei tak chhunga harsatna dang emaw a awm theihna a awm.
- Naupang, an taksa peng "high-risk", liver, spleen, leh bone marrow te a nghawng chuan an dinhmun hi a na zawk thei.
Chuvangin, enkawl zawh hnuah pawh kum tam tak chhung doctor nen follow-up neih a pawimawh hle. Recurrrence a awm leh awm loh enfiah reng a ngai.
Take-Home Thuchah a ni
- Langerhans Cell Histiocytosis (LCH) hi natna hmuh tur awm lo tak a ni a, immune cell chi khat, control loha lo thanglian vang a ni. Naupangah hmuh tur a tam ber.
- Hei hi cancer-ah dah ni lo mah se, oncologist-te chuan anti-cancer therapies hmangin an enkawl a ni.
- Natnain a nghawng taksa peng hrang hrang a zirin symptoms (vun na, ruh nodules, infection awm fo) hi a inang lo hle.
- Natna hi chiang taka hriat theih nan biopsy hi a pawimawh hle.
- Naupang tam tak tan, a bik takin "low-risk" category-a awmte tan chuan enkawlna hian natna hi a tidam vek thei a ni.
- Enkawlna a zawh hnuah pawh kum engemaw zat chhung medical follow-up neih a pawimawh hle a, natna hi a lo lang leh em tih hriat a pawimawh hle.
- I fa dinhmun chungchanga zawhna emaw, ngaihtuahna emaw i neih apiang chu i doctor nen zalen takin sawipui rawh.
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