Differential Diagnosis for 74 yo with Itching Testicles and Penis
- Single most likely diagnosis
- Eczema/Dermatitis: This is a common condition in older adults, and the genital area can be affected, leading to itching and discomfort. The age of the patient and the location of the symptoms make this a plausible first consideration.
- Other Likely diagnoses
- Tinea cruris (Jock itch): A fungal infection that affects the groin area, including the testicles and penis, causing itching and a rash. This condition is more common in older adults and those with compromised immune systems.
- Psoriasis: Although less common in the genital area, psoriasis can cause itching, redness, and scaling, and it often appears in older adults.
- Contact dermatitis: Allergic reactions to soaps, detergents, or other products can cause itching and a rash in the genital area.
- Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
- Testicular cancer: Although rare, testicular cancer can present with itching or a sensation of heaviness in the testicle. Given the potential severity of this condition, it must be considered, especially in older adults.
- Lymphoma or other malignancies: Certain types of lymphoma or other cancers can manifest with skin symptoms, including itching, in the genital area.
- Neurological conditions (e.g., neuropathy): In some cases, itching can be a symptom of an underlying neurological condition, which would require prompt diagnosis and treatment.
- Rare diagnoses
- Scabies: An infectious disease caused by a mite that burrows into the skin, leading to intense itching. While it can affect any part of the body, it's less common in the genital area in adults.
- Lichen planus: An inflammatory condition that can affect the skin and mucous membranes, causing itching and lesions. It's less common but should be considered if other diagnoses are ruled out.
- Zoon's balanitis: A rare condition characterized by a chronic, painless, erosive balanitis, which might cause itching in the genital area.