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Deep Learning Technology: Sebastian Arnold, Betty van Aken, Paul Grundmann, Felix A. Gers and Alexander Löser. Learning Contextualized Document Representations for Healthcare Answer Retrieval. The Web Conference 2020 (WWW'20)
Funded by The Federal Ministry for Economic Affairs and Energy; Grant: 01MD19013D, Smart-MD Project, Digital Technologies
Bladder cancer characteristically causes blood (redness) in the urine. This blood in the urine may be visible to the naked eye (gross/macroscopic hematuria) or detectable only by microscope (microscopic hematuria). Hematuria is the most common symptom in bladder cancer. It occurs in approximately 80–90% of the patients.
Other possible symptoms include pain during urination, frequent urination, or feeling the need to urinate without being able to do so. These signs and symptoms are not specific to bladder cancer, and are also caused by non-cancerous conditions, including prostate infections, over-active bladder and cystitis. There are many other causes of hematuria, such as bladder or ureteric stones, infection, kidney disease, kidney cancers and vascular malformations.
Patients with advanced disease refer pelvic or bony pain, lower-extremity edema, or flank pain.
Rarely a palpable mass can be detected on physical examination.
The most frequent symptoms of transitional cell carcinoma are blood in the urine, painful urination, frequent urination and/or straining to urinate. This can look very similar to an infection of the urinary system.
Symptoms of ureteral cancer may include "blood in the urine (hematuria); diminished urine stream and straining to void (caused by urethral stricture); frequent urination and increased nighttime urination (nocturia); hardening of tissue in the perineum, labia, or penis; itching; incontinence; pain during or after sexual intercourse (dyspareunia); painful urination (dysuria); recurrent urinary tract infection; urethral discharge and swelling".
Ureteral cancer is cancer of the ureters, muscular tubes that propel urine from the kidneys to the urinary bladder. It is also known as ureter cancer, renal pelvic cancer, and rarely ureteric cancer or uretal cancer. Cancer in this location is rare.
Ureteral cancer is usually transitional cell carcinoma. Transitional cell carcinoma is "a common cause of ureter cancer and other urinary (renal pelvic) tract cancers."
Signs and symptoms of TCC are entirely dependent on the location and extent of the cancer.
Diagnostic tests typically include complete blood tests, urinalysis, urine culture, X-rays of the abdomen and chest, and bladder imaging. The definitive diagnosis of bladder cancer will require a tissue biopsy and subsequent examination of the cells under the microscope.
Bladder cancer is any of several types of cancer arising from the tissues of the urinary bladder. It is a disease in which cells grow abnormally and have the potential to spread to other parts of the body. Symptoms include blood in the urine, pain with urination, and low back pain.
Risk factors for bladder cancer include smoking, family history, prior radiation therapy, frequent bladder infections, and exposure to certain chemicals. The most common type is transitional cell carcinoma. Other types include squamous cell carcinoma and adenocarcinoma. Diagnosis is typically by cystoscopy with tissue biopsies. Staging of the cancer is typically determined by medical imaging such as CT scan and bone scan.
Treatment depends on the stage of the cancer. It may include some combination of surgery, radiation therapy, chemotherapy, or immunotherapy. Surgical options may include transurethral resection, partial or complete removal of the bladder, or urinary diversion. Typical five-year survival rates in the United States are 77%.
Bladder cancer, as of 2015, affects about 3.4 million people with 430,000 new cases a year. Age of onset is most often between 65 and 85 years of age. Males are more often affected than females. In 2015 it resulted in 188,000 deaths.
Symptoms vary between individuals and can be dependent upon the stage of growth of the carcinoma. Presence of the carcinoma can lead to be asymptomatic blood in the urine (hematuria), Hematuria can be visible or detected microscopically. Visible hematuria is when urine appears red or brown and can be seen with the naked eye. Other symptoms are not specific. Other inflammatory conditions that affect the bladder and kidney can create similar symptoms. Early detection facilitates curing the disease. Other symptoms can involve:
- pain or burning on urination
- the sensation of not being able to completely empty the bladder
- the sensation of needing to urinate more often or more frequently than normal
These symptoms are general and also indicate less serious problems.
Transitional cell carcinoma (TCC) also urothelial carcinoma (UCC), is a type of cancer that typically occurs in the urinary system. It is the most common type of bladder cancer and cancer of the ureter, urethra, and urachus. It is the second most common type of kidney cancer, but accounts for only five to 10 percent of all primary renal malignant tumors.
TCC arises from the transitional epithelium, a tissue lining the inner surface of these hollow organs.
When the term "urothelial" is used, it specifically refers to a carcinoma of the urothelium, meaning a TCC of the urinary system.
Symptoms that may be caused by urethral cancer include:
Bleeding from the urethra or blood in the urine,
Weak or interrupted flow of urine,
Urination occurs often, painful urination, inability to pass urine,
A lump or thickness in the perineum or penis,
Discharge from the urethra,
Enlarged lymph nodes or pain in the groin or vaginal area.
Invasive urothelial carcinoma is a type of transitional cell carcinoma or TCC and urothelial cell carcinoma or UCC. It is a type of cancer that develops in the urinary system: the kidney, urinary bladder, and accessory organs. It is the most common type of bladder cancer and cancer of the ureter, urethra, renal pelvis, the ureters, the bladder, and parts of the urethra and urachus.. It originates from tissue lining the inner surface of these hollow organs - transitional epithelium. The invading tumors can extend from the kidney collecting system to the bladder.
Carcinoma (from the Greek "karkinos", or "crab", and "-oma", "growth") is a type of cancer. A carcinoma is a cancer that begins in a tissue that lines the inner or outer surfaces of the body, and that generally arises from cells originating in the endodermal or ectodermal germ layer during embryogenesis.
Urethral cancer is cancer originating from the urethra. Cancer in this location is rare, and the most common type is papillary transitional cell carcinoma. The most common site of urethral cancer is the bulbomembranous urethra.
These tumours do better than other types of epithelial tumours of the ovary.
Like many malignancies, penile cancer can spread to other parts of the body. It is usually a primary malignancy, the initial place from which a cancer spreads in the body. Much less often it is a secondary malignancy, one in which the cancer has spread to the penis from elsewhere. The staging of penile cancer is determined by the extent of tumor invasion, nodal metastasis, and distant metastasis.
The T portion of the AJCC TNM staging guidelines are for the primary tumor as follows:
- TX: Primary tumor cannot be assessed.
- T0: No evidence of primary tumor.
- Tis: Carcinoma "in situ".
- Ta: Noninvasive verrucous carcinoma.
- T1a: Tumor invades subepithelial connective tissue without lymph vascular invasion and is not poorly differentiated (i.e., grade 3–4).
- T1b: Tumor invades subepithelial connective tissue with lymph vascular invasion or is poorly differentiated.
- T2: Tumor invades the corpus spongiosum or cavernosum.
- T3: Tumor invades the urethra or prostate.
- T4: Tumor invades other adjacent structures.
Anatomic Stage or Prognostic Groups of penile cancer are as follows:
- Stage 0—Carcinoma "in situ".
- Stage I—The cancer is moderately or well differentiated and only affects the subepithelial connective tissue.
- Stage II—The cancer is poorly differentiated, affects lymphatics, or invades the corpora or urethra.
- Stage IIIa—There is deep invasion into the penis and metastasis in one lymph node.
- Stage IIIb—There is deep invasion into the penis and metastasis into multiple inguinal lymph nodes.
- Stage IV—The cancer has invaded into structures adjacent to the penis, metastasized to pelvic nodes, or distant metastasis is present.
It is not related urothelial carcinoma. It is in the "transitional cell" category of ovarian tumours which also includes malignant Brenner tumour and benign Brenner tumour.
Penile cancer arises from precursor lesions, which generally progress from low-grade to high-grade lesions. For HPV related penile cancers this sequence is as follows:
- A. Squamous hyperplasia;
- B. Low-grade penile intraepithelial neoplasia (PIN);
- C. High-grade PIN (carcinoma in situ—Bowen's disease, Erythroplasia of Queyrat and bowenoid papulosis (BP));
- D. Invasive Carcinoma of the Penis.
However, in some cases non-dysplastic or mildly dysplastic lesions may progress directly into cancer. Examples include flat penile lesions (FPL) and condylomata acuminata.
In HPV negative cancers the most common precursor lesion is lichen sclerosus (LS).
Clear-cell adenocarcinoma is a type of adenocarcinoma that shows clear cells.
Types include:
- Clear-cell adenocarcinoma of the vagina
- Clear-cell ovarian carcinoma
- Uterine clear-cell carcinoma
- Clear-cell adenocarcinoma of the lung (which is a type of Clear-cell carcinoma of the lung)
See also:
- Clear-cell squamous cell carcinoma of the lung
The internal location of the fallopian tubes makes it difficult to reach an early diagnosis. Symptoms are nonspecific and may consist of pain and vaginal discharge or bleeding. A pelvic mass may be detected on a routine gynecologic examination.
Vaginal discharge in fallopian tube carcinoma result from "intermittent hydrosalphinx" that is called as "hydrops tubae profluens".
Primary fallopian tube cancer (PFTC), often just tubal cancer, is a malignant neoplasm that originates from the fallopian tube.
In addition to renal cell carcinoma and renal pelvis carcinoma, other, less common types of kidney cancer include:
- Squamous cell carcinoma
- Juxtaglomerular cell tumor (reninoma)
- Angiomyolipoma
- Bellini duct carcinoma
- Clear-cell sarcoma of the kidney
- Mesoblastic nephroma
- Wilms' tumor, usually is reported in children under the age of 5.
- Mixed epithelial stromal tumor
Rarely, some other types of cancer and potentially cancerous tumors that more usually originate elsewhere can originate in the kidneys. These include:
- Clear cell adenocarcinoma
- Transitional cell carcinoma
- Inverted papilloma
- Renal lymphoma
- Teratoma
- Carcinosarcoma
- Carcinoid tumor of the renal pelvis
Cancer in the kidney may also be secondary, the result of metastasis from a primary cancer elsewhere in the body.
The most common signs and symptoms of kidney cancer are a mass in the abdomen and/or blood in the urine (or hematuria). Other symptoms may include tiredness, loss of appetite, weight loss, a high temperature and heavy sweating, and persistent pain in the abdomen. However, many of these symptoms can be caused by other conditions, and there may also be no signs or symptoms in a person with kidney cancer, especially in the early stages of the disease.
Many malignancies can develop in vulvar structures. The signs and symptoms can include:
- Itching, burn, or bleeding on the vulva that does not go away.
- Changes in the color of the skin of the vulva, so that it looks redder or whiter than is normal.
- Skin changes in the vulva, including what looks like a rash or warts.
- Sores, lumps, or ulcers on the vulva that do not go away.
- Pain in the pelvis, especially during urination or sex.
Typically, a lesion presents in the form of a lump or ulcer on the labia majora and may be associated with itching, irritation, local bleeding or discharge, in addition to pain with urination or pain during sexual intercourse. The labia minora, clitoris, perineum and mons are less commonly involved. Due to modesty or embarrassment, patients may put off seeing a doctor.
Melanomas tend to display the typical asymmetry, uneven borders and dark discoloration as do melanomas in other parts of the body.
Adenocarcinoma can arise from the Bartholin gland and present with a painful lump.
PUNLMPs can lead to blood in the urine (hematuria) or may be asymptomatic.
Esophageal cancer may be due to either squamous cell carcinoma (ESCC) or adenocarcinoma (EAC). SCCs tend to occur closer to the mouth, while adenocarcinomas occur closer to the stomach. Dysphagia (difficulty swallowing, solids worse than liquids) and painful swallowing are common initial symptoms. If the disease is localized, surgical removal of the affected esophagus may offer the possibility of a cure. If the disease has spread, chemotherapy and radiotherapy are commonly used.
Basal cell carcinoma makes up about 1–2% of vulvar cancer. These tend to be slow-growing lesions on the labia majora but can occur anywhere on the vulva. Their behavior is similar to basal cell cancers in other locations. They often grow locally and have low risk for deep invasion or metastasis.
Treatment involves excision, but these lesions have a tendency to recur if not completely removed.