NEOPLASIA-1: BASICS: Nomenclature: Benign, Malignant, Mixed tumors, teratoma,Hamartoma, choristoma
In this short tutorial i have described the the basic concepts of neoplasia, which includes the understanding various nomenclatures in neoplasia.. Visit ilovepathology.com/ for more topics in Pathology!
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Tumor"--literally any swelling. First described by Celsus
Hippocrates: Greek physician
Father of medicine
Noticed,that the blood vessels surrounding the malignant tumor like the claws of crab.
He first coined the word “Karkinos” ( Greek for Crab)
Carcinos or Carcinoma in English!
Claudius Galen: Greek Physician
Second century AD
used the word oncos (Greek for swelling) to describe tumors.
distinguished tumors that are:
“According to nature"--pregnant uterus
“Exceeding Nature"--pus
“Contrary to nature"--what we now know as neoplasms /New growth
Neoplasia: “new growth”
Tumour: a swelling
DEFINITION: “ RUPERT ALLAN WILLIS”
Neoplasm- Abnormal mass of tissue
Growth
Exceeds and is uncoordinated with that of normal tissue
Persists after cessation of causative stimuli
IN THE PRESENT ERA IT CAN BE Defined as
Disorder of cell growthTriggered by a series of acquired mutations of a single cell
And its clonal progeny
MIXED TUMORS
Single neoplastic cell can differentiate into different types of cells
Eg: Pleomorphic adenoma of the salivary gland
The epithelial components are admixed with myxoid stroma
But both are derived from a single clone which is capable of producing both cell types
TERATOMA
These tumors contain mature or immature cells which are derived from more than one germ cell layer
Sometimes all three!
Greek ( teras) - monster
these tumors originate from totipotential germ cells.
Ovary, testis,embroyonic rests
HAMARTOMA
Benign masses
Disorganized, but contain cells indigenous to the involved site ( composed of the elements which are normally found at that site.
Hamartomas in the lung/heart etc..
CHORISTOMA
Heterotopic rest of cells.
Excess of normal tissue in abnormal location!!!
Eg: Pancreatic tissue as a small mass, can be seen in the stomach or small intestine
Пікірлер: 129
Please upload new videos..this is the simplest explanation of Robbins. It's really easy to understand and makes robbins easier for us.
this was 6 years ago but still greatly helps me understand pathology better. thank you good sir 😭💞☺️
One word... 'Lifesaver'
What is mesenchyme
I was thinking how to read the whole neoplasia chapter in robbins the day before my exam..thankyou
I m watching this in ma exam tym i hope it helps thankyou sir
Sir, we are actually having our exams on 4th January and therefore it'll be of a HUGE help if you could upload on the important topics ASAP. Sorry to disturb or pressure you, but we would all be helped tremendously. Thankyou so much sir.
Sir can you please clear my doubt... Is pleomorphic adenoma of salivary gland an example of teratoma? If not, why? Pleomorphic adenoma consists of both epithelial (endodermal origin) and mesenchymal(mesodermal origin) components right... so it should be teratoma right
Sir...i m not able to find out the other parts of neoplasia as such neoplasia basics 2...plzz help me out with it . I would be really grateful to u
please help me 😭 your video is amazing but l can not find the other parts l want Neoplasia 2 { dysplasia ... } l have an exam 😭😭
You're a life saver when it comes to understanding pathology !! Thank you so much sir
Very well put information. Very organised and systematic. So made it easy for us to understand. Thank You!
Dear Dr, is there a part 2 for this? This really helped me and I would like to see the continuation ya :) Best wishes. You're doing a great job
Please bring more Histological specimen so you can show us the places infected and what to look into. Thank you so much
I started loving pathology. Thankyou!
Sir you’re a life saver! I’ve been reading robbins wholeday not understanding anything and I found your channel then BOOM 💥 so organized and simplfied! God bless you!
sir kindly upload video on genetics part in pathology...
Sir, I can't find any video on anaplasia or metastasis (Part-2) in your channel or website. Please upload it soon...
Sir your explanation is very nice.
U r awesome ....great life saver for medical studentssss🥰😍🙂