Seborrheic Keratosis: This is the most common benign skin growth in elderly people, characterized by multiple dry, scaly, wart-like lesions. They are often pigmented and can appear anywhere on the body, making them a likely candidate for the described symptoms.

Actinic Keratosis: These are precancerous lesions caused by prolonged sun exposure, leading to dry, scaly patches on sun-exposed areas. They are common in elderly individuals, especially those with fair skin.
Ichthyosis: A condition characterized by dry, scaly skin that can appear anywhere on the body. It's more common in older adults and can be exacerbated by dry environments.
Psoriasis: An autoimmune condition leading to dry, scaly patches, often on the elbows, knees, and scalp, but can spread to other areas. It can start at any age, including in elderly people.

Squamous Cell Carcinoma: A type of skin cancer that can present as a firm, growing bump or a flat, scaly patch. It's crucial to distinguish it from benign lesions due to its potential for metastasis.
Basal Cell Carcinoma: The most common form of skin cancer, which can appear as a shiny bump, pink growth, or a flat scaly patch. Early detection is key to effective treatment.

Darier's Disease: A rare genetic disorder that affects the skin, leading to dry, scaly, wart-like lesions, especially in seborrheic areas. It's less common but should be considered in cases where the presentation is atypical.
Xanthomas: These are growths composed of fat-laden cells and can appear as yellowish patches or nodules. While not typically described as wart-like, they can sometimes present with a similar appearance, especially in the context of systemic diseases.
Cutaneous T-cell Lymphoma (Mycosis Fungoides): A rare type of skin cancer that can mimic various skin conditions, including eczema, psoriasis, or dermatitis, with dry, scaly lesions being part of its presentation.