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Topic: Follicular


In the News (Wed 9 Jul 08)

  
  Follicular Lymphomas   (Site not responding. Last check: 2007-10-15)
It stands to reason that cases with a follicular growth pattern tend to be more indolent: the neoplastic cells must be fairly well differentiated to retain their B-lymphoid ability to self-assemble into follicles.
Conversely follicular lymphomas that grow predominantly diffusely have lost a key characteristic of follicle cells, which is a sign of dedifferentiation and a harbinger of more aggressive behavior.
Follicular lymphomas are composed of malignant cells that resemble their equivalents in the normal lymphoid follicle.
pleiad.umdnj.edu /hemepath/follicular/follicular.html   (990 words)

  
 [No title]   (Site not responding. Last check: 2007-10-15)
In the postnatal follicular growth cycle, an appear once of the follicular germ cells (Figure 2a) in the base of a telogen (resting) follicle first develops to a follicular peg, then to a bulbous peg, and finally to a complete anagen follicle.
Telogen Phase During catagen, a hair produced in the anagen bulb remains in the upper follicular sheath, and the lower tip of the keratinized hair cortex is tightly attached to the epidermal cells of the upper follicular sheath.
The diverse follicular changes found in alopecia areata patients, which include various degrees of folliculac degeneration, inflammatory cell infiltration, dystrophic hair matrices, and the concomitant presence of uninvolved (or at least apparently normal) cyclic follicles, are all likely due to the different clinical stages, previous treatment, and probably different pathogenetic background of each patient.
npntserver.mcg.edu /html/alopecia/documents/HistopathHloss.html   (11336 words)

  
 Journal of Drugs in Dermatology: Follicular mycosis fungoides: successful treatment with oral bexarotene   (Site not responding. Last check: 2007-10-15)
Follicular mycosis fungoides (MF) is an uncommon subtype of cutaneous T-cell lymphoma.
In follicular MF the follicular infiltrate is largely made up of atypical lymphocytes, whereas in follicular mucinosis an infiltrate composed of eosinophils, lymphocytes, and other inflammatory cells is present around the hair follicle (2).
The disease-specific survival was 26% for patients with follicular MF vs. 84% for patients with plaque stage and 61% for patients with tumor stage mycosis fungoides (7).
www.findarticles.com /p/articles/mi_m0PDG/is_3_3/ai_n6056506   (1418 words)

  
 Follicular lymphoma : CancerBACUP
Follicular lymphoma, like other cancers, is not infectious and cannot be passed on to other people.
Follicular lymphoma is very sensitive to chemotherapy and often disappears with this treatment.
New treatments for follicular lymphoma are being researched all the time, and you might be invited by your doctor to take part in a clinical trial to compare a new treatment against the best available standard treatment.
www.cancerbacup.org.uk /Cancertype/Lymphomanon-Hodgkins/TypesofNHL/Follicular   (1238 words)

  
 Follicular Unit Transplantation - NHI
These natural hair groupings are the clinical correlate of the follicular unit and have a density of approximately 10 units per 10mm2 field, supporting the view of Headington that the absolute number of follicular units per unit area in man appears to be relatively constant and is around one per mm2.
Follicular Unit - the unit of tissue moved in the follicular transplantation process, consisting of a hair follicle, associated hair shafts and peri-folliculum.
Follicular Transplantation - a method of hair restoration surgery by which follicular implants are harvested, prepared, and placed in accordance with long-term strategic planning of design to maximize the cosmetic benefit to the patient throughout his lifetime.
www.newhair.com /resources/mp-1995-ft.asp   (6473 words)

  
 Dr. Panagotacos: Follicular Unit Micrograft Hair Transplants, San Francisco, California
Follicular unit micrografts typically measure 1/2mm to 1 mm across, which is much smaller than a grain of rice.
Follicular unit micrografting is now the current state-of-the-art surgical hair restoration technique, and is the method Dr. Panagotacos uses.
But the cutting of single hair grafts from follicular units containing two or more hair follicles increased the risk of graft failure, and the end result of using only single-hair grafts was a sort of thin fuzzy coverage that did not look natural.
www.hairdoc.com /follicular-micrograft-transplants.html   (5689 words)

  
 Follicular Unit Extraction (FUE)   (Site not responding. Last check: 2007-10-15)
Follicular unit extraction is a minimally invasive procedure for performing follicular unit hair transplantation.
However, unlike the predominant follicular unit transplant procedure, in which a strip of donor tissue is removed and dissected under magnification, the FUE procedure uses a small punch to extract each follicular unit one by one.
With the Follicular Unit Extraction or FUE procedure 1, 2, 3, and 4 hair follicular unit grafts are carefully extracted one at a time using a tiny punch of one millimeter or less.
www.regrowhair.com /FUE_procedure.asp   (675 words)

  
 Gho's Follicular Multiplication - An Explanation
Higher magnifications (x40) of areas found to be positive for follicular stem cell markers are shown next to the respective areas of the hair follicle.
Follicular Multiplication is a project that was started approximately eight years ago, prior to Hair Multiplication.
With this study we revealed that it was not necessary to transplant the entire follicular unit to regenerate differentiated hair growth, but only a part of the follicular unit.
www.hairlosstalk.com /newsletter/article291.htm   (968 words)

  
 Follicular B-cell lymphoma
Follicular non-Hodgkin's Lymphoma (NHL) is a very common type of b-cell lymphoma, comprising approximately 30% of all cases.
Follicular Large cell lymphomas may have a more aggressive clinical behavior, and therefore treatments may be initiated early with intend to cure or produce durable remissions.
Sometimes follicular lymphomas are first diagnosed in the skin (present there), or spread to the skin later on.
www.lymphomation.org /type-follicular.htm   (1180 words)

  
 Ovarian Cysts
The symptoms of follicular cysts are different from symptoms of ovarian cancer.
However, since most follicular cysts resolve within one menstrual cycle, the first step is simply observation, eliminating the need for expensive tests and treatment.
Instead, the little blood vessels that feed the follicular sac and bleed during ovulation continue to bleed into the empty sac and form a blood-filled cyst.
my.webmd.com /content/article/3/1680_50981.htm   (865 words)

  
 eMedicine - Hair Transplantation: Follicular Unit Transplant Method : Article by Bobby L Limmer, MD   (Site not responding. Last check: 2007-10-15)
Flaps move follicular units in their original form but do so at great cost in terms of limited coverage, possible substantial donor and recipient site scarring, risk of partial or total flap necrosis, and highly inefficient use of precious and irreplaceable donor hair.
Because each follicular unit represents a graft, the number of cm² of donor surface area required to achieve the desired numbers of grafts is a simple mathematic calculation.
During the implantation stage, the follicular unit grafts are placed into the anesthetized recipient zone using small punch holes (0.75-1 mm), small slit incisions (1-2 mm in length), or needle tunnels made by 19- to 22-gauge needles.
www.emedicine.com /derm/topic559.htm   (2682 words)

  
 Follicular Unit Transplantation
Follicular Unit Transplantation is a technique, pioneered by the physicians at the New Hair Institute, in which hair is transplanted from the permanent zone in the back of the scalp into areas affected by genetic balding (and some other types of hair loss), using only the naturally occurring, individual follicular units.
Grafts comprised of individual follicular units are small because follicular units are small, and because the surrounding non-hair bearing tissue is removed under the microscope is not transplanted.
Because the tiny follicular unit grafts (and the very small wounds they are placed in) allow large number of grafts to be safely transplanted in one procedure, the total restoration can be completed in the fewest possible sessions.
www.hairlosstalk.com /surgicalops/ht2a.htm   (420 words)

  
 Hair transplant for hair loss and baldness, determining the quality of your FUE follicular unit extraction hair ...
Follicular unit extraction (FUE) is undeniably the most sought after alternative to traditional hair transplant procedures in the world.
A follicular unit is transected when it is unintentionally cut off horizontally somewhere in the middle during the extraction process.
As you can imagine, extracting follicular unit B would prove to be a lot more difficult than extracting folllicular unit A because there is no way for the doctor to know in advance the extent of the curl that exists beneath the skin.
www.hairsite2.com /library2/article286.htm   (1092 words)

  
 Follicular Lymphoma Survival Model, November 18, 2004 Press Release - National Institutes of Health (NIH)
The model is based on two sets of genes — called survival-associated signatures — whose activity was found to be associated with good or poor prognosis for patients with the cancer.
The scientists' results, to be published in the November 19, 2004, New England Journal of Medicine *, suggest that immune cells infiltrating follicular lymphoma tumors have an important impact on survival — both signatures came from such immune cells.
The biopsies were taken between 1974 and 2001 and came from North American and European institutions that are part of the NCI-sponsored Lymphoma/Leukemia Molecular Profiling Project **.
www.nih.gov /news/pr/nov2004/nci-18.htm   (763 words)

  
 Lymphoma Information Network - Follicular Lymphomas
Follicular lymphomas (or more formally speaking, follicular center cell lymphomas with a follicular growth pattern) are one of the more common non-Hodgkin's lymphomas in North America.
These lymphomas are the only intermediate grade follicular lymphomas - they are classified as indolent but their aggressive nature is noted by NCI.
Large-cell follicular lymphoma is classified as an intermediate-grade lymphoma, and the patients may benefit from the inclusion of an anthracycline in their chemotherapy.
www.lymphomainfo.net /nhl/follicular.html   (737 words)

  
 Follicular mucinosis associated with mycosis fungoides
To reflect the fact that the disease does not always present with or result in alopecia, the entity was renamed follicular mucinosa or follicular mucinosis in 1959.
Follicular mucinosis may occur either as a primary benign disorder or as a secondary disorder associated with other benign or malignant diseases.
Common presentations include plaques with prominent follicular openings and keratotic plugs and generalized or grouped follicular papules distributed on the trunk, proximal limbs, face, and scalp.
dermatology.cdlib.org /103/NYU/case_presentations/051804n6.html   (766 words)

  
 Primary Cutaneous Follicular Center Cell Lymphoma
Cases of primary cutaneous follicular lymphoma were characterized by the expression of classic markers of the germinal center, such as bcl6, CD10, and the presence of aggregates of follicular dendritic cells.
Primary cutaneous B-cell lymphomas displaying a prominent follicular growth pattern are rare and remain poorly defined, particularly in terms of the frequency of detection of t(14;18) and whether or not, as a group, they represent an entity distinct from follicular lymphoma arising in lymph nodes.
In both follicular and interfollicular/diffuse areas of FL the neoplastic cells were bcl-6+ (10 of 10), often CD10+ (seven of 10, four of seven primary), and bcl-2+ (nine of 10, six of seven primary).
www.thedoctorsdoctor.com /diseases/cbcl_fccl.htm   (5952 words)

  
 Follicular Adenoma of the Thyroid
The follicular adenoma of the thyroid is a common benign tumor of the thyroid gland.
In the case of a follicular adenoma, a diagnosis of follicular neoplasm-adenoma versus carcinoma, may be rendered.
This finding supports the view that atypical follicular adenoma is a precursor of thyroid anaplastic carcinoma and suggests that "atypical adenoma" should not be used to express diagnostic uncertainty about the nature of a lesion.
www.thedoctorsdoctor.com /diseases/thyroid_follicular_adenoma.htm   (1751 words)

  
 Dominant Bovine Ovarian Follicular Cysts Express Increased Levels of Messenger RNAs for Luteinizing Hormone Receptor ...   (Site not responding. Last check: 2007-10-15)
that waves of follicular growth occur in cows with cysts [16].
Administration of progesterone to cows with ovarian follicular cysts results in a reduction in mean LH and LH pulse frequency and initiates ovulatory follicular growth.
Differentiation of bovine preovulatory follicles during the follicular phase is associated with increases in messenger ribonucleic acid for cytochrome P450 17 alpha-hydroxylase, but not P450 aromatase.
www.biolreprod.org /cgi/content/full/65/2/471   (4321 words)

  
 Follicular Thyroid Cancer Overview.
Follicular cancer cells absorb iodine (although to a lesser degree in older patients) and therefore they can be targeted for death by giving the toxic isotope (I-131).
Once again, not everybody with follicular thyroid cancer needs this therapy, but those with larger tumors, spread to lymph nodes or other areas, tumors which appear aggressive microscopically, tumors which invade blood vessels within the thyroid, and older patients may benefit from this therapy.
There is good evidence that follicular carcinoma (like papillary cancer) responds to thyroid stimulating hormone (TSH) secreted by the pituitary, therefore, exogenous thyroid hormone is given which results in decreased TSH levels and a lower impetus for any remaining cancer cells to grow.
www.endocrineweb.com /cafol.html   (1249 words)

  
 eMedicine - Lymphoma, Follicular : Article by César O Freytes, MD, FACP
Microscopically, follicular lymphomas exhibit a follicular or nodular pattern of growth reminiscent of germinal centers.
Despite the fact that most follicular lymphomas are advanced at the time of diagnosis, the median survival of patients with follicular lymphomas is approximately 10 years, and many patients may not require treatment for prolonged periods of time.
Follicular lymphoma according to the WHO classification is staged as grade 1 (0-5 centroblasts per hpf), grade 2 (6-15 centroblasts per hpf), and grade 3 (>15 centroblasts).
www.emedicine.com /med/topic1362.htm   (4070 words)

  
 Relationship Between Endogenous Progesterone and Follicular Dynamics in Lactating Dairy Cows with Ovarian Follicular ...
follicular cysts was influenced by the concentration of progesterone
in cows with follicular cysts [10] or in cows with persistent
Diagnosis of luteal and follicular ovarian cysts in dairy cows by sector scan ultrasonography.
www.biolreprod.org /cgi/content/full/69/1/218   (4204 words)

  
 Mixed Medullary and Follicular Carcinoma of the Thyroid : On the Search for Its Histogenesis -- Matias-Guiu 155 (5): ...
for calcitonin and a follicular carcinoma with immunoreactivity
thyroid tissue adjacent to follicular and papillary neoplasms.
Harach HR, Williams ED: Glandular (tubular, and follicular) variants of medullary carcinoma of the thyroid.
ajp.amjpathol.org /cgi/content/full/155/5/1413   (4124 words)

  
 Ovarian Follicular Responses to High Doses of Pulsatile Luteinizing Hormone in Lactating Dairy Cattle -- Hampton et al. ...
Least squares means ± SEM of follicular diameter (mm), LH concentrations (ng/ml), and progesterone concentrations (ng/ml) in LH- (solid line) and saline-treated (broken line) cyclic cows (experiment 1) during the experimental period.
Least squares means ± SEM of follicular diameter (mm), LH (ng/ml), estradiol-17ß (pg/ml), and progesterone concentrations (ng/ml) in LH (solid line) and saline-treated (broken line) early postpartum cows (experiment 2) during the experimental period.
Effect of calf isolation on follicular wave dynamics, gonadotropin and metabolic hormone changes, and interval to first ovulation in beef cows fed either of two energy levels postpartum.
jds.fass.org /cgi/content/full/86/6/1963   (3384 words)

  
 What Does Follicular Isolation Technique(Fit/Fue)Means?   (Site not responding. Last check: 2007-10-15)
The follicular isolation technique is a process of removing one follicular unit at a time from the donor region.
A special instrument is used to extract the individual follicular units.
Currently, we are able to move almost 2000 grafts in a two day time using our follicular isolation technique.
www.hair4women.com /fue_fit_means.htm   (263 words)

  
 Hair Transplant   (Site not responding. Last check: 2007-10-15)
These procedures deal with the implantation of follicular units, which are groupings of 1, 2 or 3 hairs that grow naturally on the scalp.
Both Follicular Unit Extraction (FUE) and Follicular Unit Strip Surgery (FUSS) are the two most natural ways to transplant hair and the only ways to successfully mimic nature.
Harvesting hair follicular units from a narrow strip that is taken from the back and sides of your scalp.
www.alvi-armani-hair-transplants.com   (698 words)

  
 Hair Transplant Surgery - Hair Transplantation Procedure Explained
These groups are termed follicular units and this is the size of hair grafts that most doctors will implant into your hair loss affected area.
Because doctors are implanting the smallest possible grafts in their natural follicular unit state, the results of modern hair transplant surgery are virtually undetectable and appear the most natural.
At this point, the doctor will begin preparing your hair loss affected area (recipient area for hair grafts) for the follicular unit hair grafts to be implanted.
www.hairlosslibrary.com /hair_transplantation.html   (1150 words)

  
 Manipulation of lymphoid microenvironments in nonhuman primates by an inhibitor of the lymphotoxin pathway -- Gommerman ...
Mature follicular dendritic cell networks depend on expression of lymphotoxin beta receptor by radioresistant stromal cells and of lymphotoxin beta and tumor necrosis factor by B cells.
Follicular dendritic cells are a major reservoir for human immunodeficiency virus type 1 in lymphoid tissues facilitating infection of CD4+ T-helper cells.
Expression of complement receptors 1 and 2 on follicular dendritic cells is necessary for the generation of a strong antigen-specific IgG response.
www.jci.org /cgi/content/full/110/9/1359   (6336 words)

  
 Thyroid cancer: diagnosis, treatment and prognosis.
In fact, the most common types of thyroid cancer (papillary and follicular) are the most curable.
In younger patients, both papillary and follicular cancers can be expected to have better than 95% cure rate if treated appropriately.
Both papillary and follicular cancers are typically treated with complete removal of the lobe of the thyroid which harbors the cancer, PLUS, removal of most or all of the other side.
www.endocrineweb.com /thyroidca.html   (707 words)

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