What are the other Names for this Condition? (Also known as/Synonyms)
- Bowen Disease
- Erythroplasia of Queyrat
- Penile SCC In Situ
What is Squamous Cell Carcinoma In Situ of Penis? (Definition/Background Information)
- Squamous Cell Carcinoma In Situ of Penis is a malignant condition affecting the skin or mucosal membranes of the penis. The carcinoma may be present as a well-defined red patch; is frequently solitary, but may be many in number
- The lesion may itch, ulcerate, or even bleed. The condition may be diagnosed definitively through a tissue biopsy
- Middle-aged and elderly men are at risk for the condition. The cause of Squamous Cell Carcinoma In Situ of Penis is unknown, but it is influenced by factors such as HPV infection, poor immunity, high-risk sexual practices, etc.
- Any combination of radiation therapy and invasive procedures (surgery) are used to treat Penile Squamous Cell Carcinoma In Situ. The prognosis depends upon early diagnosis and treatment that is administered
Who gets Squamous Cell Carcinoma In Situ of Penis? (Age and Sex Distribution)
- Squamous Cell Carcinoma In Situ of Penis usually occurs in men between the ages of 30 and 60 years
- The condition has no geographical, racial, or ethnic preference; it is observed around the world
What are the Risk Factors for Squamous Cell Carcinoma In Situ of Penis? (Predisposing Factors)
The following factors increase the risk of Squamous Cell Carcinoma In Situ of Penis:
- Infection with human papilloma virus (HPV); subtypes 16, 18, 31, 33, and 45,
- High-risk sexual behavior; sexual promiscuity
- Weakened immune system as a result of HIV infection or AIDS, or due to administration of immunosuppressants
- Smoking
- Lack of proper hygiene
- Longstanding ulcerative lichen planus
It is important to note that having a risk factor does not mean that one will get the condition. A risk factor increases ones chances of getting a condition compared to an individual without the risk factors. Some risk factors are more important than others.
Also, not having a risk factor does not mean that an individual will not get the condition. It is always important to discuss the effect of risk factors with your healthcare provider.
What are the Causes of Squamous Cell Carcinoma In Situ of Penis? (Etiology)
- The exact cause of development of Squamous Cell Carcinoma In Situ of Penis is not completely known in a majority of cases
- In case HPV infection is associated with SCC In Situ of Penis, it is caused by alteration in the DNA by the human papilloma virus that results in uncontrolled cell proliferation
- Other factors that may contribute to the condition include weak immune system, sexual promiscuity, poor hygiene, smoking, etc.
What are the Signs and Symptoms of Squamous Cell Carcinoma In Situ of Penis?
Squamous Cell Carcinoma In Situ of Penis signs and symptoms may include:
- The presence of a single patch-like red lesion (in most cases) on the penis that is poorly-defined; they may be many in number, in some cases
- The patch may be on the foreskin or penis head - most commonly affected locations on the penis
- Itching sensation may be felt around the red patch
- They may or may not ulcerate and bleed
- Crusting of the lesions can occur
- In squamous cell carcinoma in situ, the malignancy is confined to the skin surface and no invasion or metastasis is observed
How is Squamous Cell Carcinoma In Situ of Penis Diagnosed?
Some of the tests that may help in diagnosing Squamous Cell Carcinoma In Situ of Penis include:
- Complete physical examination with detailed medical history evaluation
- Examination by a dermatologist using a dermoscopy, a special device to examine the skin
- Skin or tissue biopsy: A skin or tissue biopsy is performed and sent to a laboratory for a pathological examination, who examines the biopsy under a microscope. After putting together clinical findings, special studies on tissues (if needed) and with microscope findings, the pathologist arrives at a definitive diagnosis. A biopsy is performed to rule out other similar conditions too
Many clinical conditions may have similar signs and symptoms. Your healthcare provider may perform additional tests to rule out other clinical conditions to arrive at a definitive diagnosis.
What are the possible Complications of Squamous Cell Carcinoma In Situ of Penis?
The complications of Squamous Cell Carcinoma In Situ of Penis could include:
- Squamous cell carcinomas have the potential to become invasive and spread to other distant sites, if treatment is delayed
- Difficulty or discomfort in having sex
- Side effects of radiation therapy
How is Squamous Cell Carcinoma In Situ of Penis Treated?
The treatment options for Squamous Cell Carcinoma In Situ of Penis may include:
- Surgery: Complete surgical excision can be curative
- Laser ablation: The use of laser to remove solid tumors or lesions
- Radiation therapy: The use of high-energy beams to kill cancer cells
- In some cases, a circumcision may be helpful
- Close monitor and follow-up reviews of the condition
How can Squamous Cell Carcinoma In Situ of Penis be Prevented?
Squamous Cell Carcinoma In Situ of Penis may be prevented by following some of these measures:
- Use of condoms, avoiding multiple sexual partners, etc. to avoid sexually-transmitted infections
- Undertake immediate treatment of ulcers in the genital region
- Avoidance of smoking
- Availing vaccinations against the human papilloma virus (HPV)
- Maintaining personal hygiene
What is the Prognosis of Squamous Cell Carcinoma In Situ of Penis? (Outcomes/Resolutions)
- The outcomes are excellent with early diagnosis and treatment of Squamous Cell Carcinoma In Situ of Penis
- Without treatment (or a delay in treatment), squamous cell carcinomas may evolve to invasive carcinomas, which may have poor prognoses, depending on the stage of the carcinoma
Additional and Relevant Useful Information for Squamous Cell Carcinoma In Situ of Penis:
The following DoveMed website link is a useful resource for additional information:
https://www.dovemed.com/diseases-conditions/cancer/
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