FAQ - Tracheal Neoplasms
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What is the connection between malignant neoplasms and crabs?

The more common term for malignant neoplasms, cancer, is Latin for crab, and the word "carcinogen," meaning a cancer-causing agent, comes from the Greek word for crab, "karkinos." What is the connection between these two seemingly unrelated things?

Cancer, both the disease and the astronomical constellation, derive from the Latin cancer or cancrum, meaning crab. The astrological sign, of course, is said to resemble a crab and the disease was so named by the ancient Greek physician Galen (129-200 A.D.) who noted the similarity between a certain type of tumor with a crab as well—the swollen veins around the tumor resembling the legs of a crab.

Old English adopted cancer directly from Latin and used it for a variety of spreading sores and ulcers. This early sense survives in the modern word canker. From c.1000 in a manuscript called Læce Boc (Leech Book), collected in Oswald Cockayne’s Leechdoms, Wortcunning, and Starcraft of Early England, Vol. II, 1865:

Gemeng wið þam dustum, clæm on ðone cancer.
(Mix with the dust, smear on the cancer.)

And from Wyclif’s 2 Timothy, 1382:

The word of hem crepith as a kankir

The word was being applied specifically to the disease we today call cancer by the beginning of the 17th century. From Philemon Holland’s translation of Pliny’s Historie of the World:

Cancer is a swelling or sore comming of melancholy bloud, about which the veins appeare of a blacke or swert colour, spread in manner of a Creifish clees.

The astronomical sense of cancer is from the Latin name for the constellation of the crab. The name was known to the Anglo-Saxons, but only as a Latin name and was not assimilated into English until the Middle English period. It appears in Ælfric’s De Temporibus Anni, written c.993, in a list of the constellations of the Zodiac:

Feorða • Cancer • þæt is Crabba
(Fourth, Cancer, that is the crab.)

The Anglicized name appears c.1391 in Chaucer’s Treatise on the Astrolabe:

In this heved of cancer is the grettist declinacioun northward of the sonne...this signe of cancre is clepid the tropik of Somer.
(At this first point (head) of cancer is the greatest declination northward of the sun…this sign of cancer is named the tropic of summer.)

(Source: Oxford English Dictionary, 2nd Edition)  (+ info)

What is the basis of differing actions of antineoplastic agents on different tissue/neoplasms?

What is the basis for differing tissue- and neoplasm-specificites of antieoplastic chemotherapeutic agents? This doubt arose because considering what the pharmacokinetics of these drugs are it remains to be answered as to why a certain agent would act only in a particular tissue or neoplasm when the mechanisms they employ are so similar, e.g., various alkylating agents in spite having same action act of different tumors with differing degrees of effectiveness. Hope someone answers the question specifically. Useful links to free-text articles would also be highly appreciated. Bye. TC.

If you have thoughts on this subject, you ought to have the initiative to research it yourself.  (+ info)

The C shape of the tracheal cartilages is important because?

A) a mass of food can pass through the esophagus during swallowing.
B) large masses of air can pass through the trachea.
C) it allows greater tracheal elasticity and flexibility.
D) A, B, and C
E) none of the above


the function is to keep the trachea from collapsing when air is exhaled and an almost vacuum is created in the trachea  (+ info)

Help what is laryngotrach anomaly and tracheal malacia?

My daughter was born 2 month ago with some airway problems. The doctor keeps talkin about laryngotrach anomaly and tracheal malacia but i have no clue what it all means for my daughter?
I dont know anyone that has ever had this, Can anyone tell what this is and what it means for my daughter?

Anomaly is a fancy term that doctors use to say different from the normal. And malacia means soft. Therefore, a laryngotrach anomaly just means that your daughters larynx and trachea are different the most other peoples. It is up to you to get the doctor to explain exactly what is different and if it will cause her any problems when she grows up. Most especially with regards to eating and speaking. As for the malacia this can refer the the cartilage rings that hold the trach open or the actual muscle walls themselves. Again this is when you need to be very proactive and make the doctor explain just what it is and how it does and will affect you child's health.
This can all just be a flash in the pan and resolve as she grows or it could cause difficulty breathing due to the softening of the trachea. It may also affect her ability to speak. However, I trully do encourage you to speak with your doctor and seek out his/her advice as he/she has the most knowledge of the situation. Just remember that as the mother you have the right to be informed in simple to understand language. Demand that right.  (+ info)

Does anyone know why the tracheal/mediastinal shifts in a pneumonthorax?

Is it because of the pressure building up from the pressure gradient that it pushes it out? I'm a respiratory student trying to do a case study on a patient that has a pneumothorax. I know the shift can be palpated and can be seen in XRAYs but I'm trying to figure out why it shifts. And if anyone can explain the reason for the water seal in the chest tube. Thanks!

The thoracic cavity is completely filled with the heart, lungs and great vessels. If you introduce another element such as air in the pleural space everything has to move to accommodate the intruder. Therefore as the effected lung collapses and is replaced by more air than the space taken up by the lung everything must move away from that side. It's not so much a matter of pressure, it's the limited volume of the thoracic cavity. So if the trachea is deviated to the left the pneumothorax is on the right and vice versa. You will also see this in a hemothorax or large pleural effusion.
The water seal is absolutely necessary so the chest tube isn't connected with the outside air. This would allow air back into the pleural space.
God bless and good question.  (+ info)

What are the harmful effects from small benign neoplasms arising from endocrine organs on the patient?

Give positive answers...

Get to know them better. This is not a task only to be accomplished through dating. The more you get to know him or her, the more you can tell if you like them as a friend or something else. Just talk and do fun activities with the person.
Stop and consider why you like the person. There are many physically attractive and smart people out there. But if you see something beyond that really catches your attention, you've marked this person as unique and probably like them. Why else would they stand out from so many?
Consider how many times you think about the person. If you find yourself thinking about this person several times a day, and they are happy thoughts that possibly make your heart beat faster, then you probably like them.
Think how often you laugh at their jokes etc. When you like someone, you will find yourself laughing at things even if they aren't that funny. This is a natural attempt to make them feel appreciated.
If the one conversation between you and the person is stuck in you head and you cant stop telling people about it. this means it was important to you, and you probably like the person.
Consider how much you try to be near them. If you've planned your walking speed to catch a glimpse of them as many times of the day as possible, there is a good reason for that.
Think about how you feel if you touch him or her, by accident or on purpose. If you're still thinking about brushing shoulders several hours ago in school, then that is a special thought and you probably like them.
If you feel you're ready for a relationship, and are confident enough for a positive response, then just go ahead and ask them out. If you're unsure of their feelings for you, there are several wikihows on how to tell if someone likes you.  (+ info)

What would be the cause of throat bleeding & split uvula during placement of tracheal tube during surgery?

My husband had eye surgery last week and after the surgery was over they said that he needed an MRI because he was bleeding in his throat and his uvula split. What are they looking for?

Rough handling could cause damage but so could some medical conditions where the tissue is not as it should be. Probably they will be looking for any unusal swelling or thinning of the area on the MRI.....;  (+ info)

term used to describe benign neoplasms made up of neurons and nerve fibers is a?

need some help with my h.w.


In the foot, check out this site...
http://www.footphysicians.com/footankleinfo/mortons-neuroma.htm  (+ info)

What is the main proccess of tracheal suctioning?

suctioning quickly!
suctiong in a circular motion!
suctioning within ten seconds!
dont release kinking before start suction!

1. Hyperventilate before suctioning for at least 30 seconds.
2. Use a sterile (or at least clean) technique.
3. Suction only on the way out (ie, insert the cathter with no suction, then apply suction on withdrawl).
4. Suction for a MAXIMUM of 10 seconds.
5. Hyperventilate after suctioning for at least 30 seconds.  (+ info)

When can a tumor be non-cellular or non-neoplastic? And how can some neoplasms be cell free?

So basically, I've got a bio midterm tomorrow, and so in the process of studying, I realized I completely don't get that! Even my bio friends are like, what....? So if ANYONE can help us out here, that would be fantastic! Thanks!

The word tumor is defined (in Answers.com) as "An abnormal growth of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function; a neoplasm." So your teacher is playing with semantics here.

The only way a "mass" could be non-cellular would be if it were cystic - - a contained area of fluid. We see this with some ovarian tumors which may be benign or malignant. The benign ones are ovarian serous cystadenomas or mucinous cystadenomas which can be quite large tumor masses. These do contain cells however in the membranous sacs surrounding the fluid
http://www.mypacs.net/cases/MUCINOUS-CYSTADENOMA-OVARY-857115.html  (+ info)

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