Differential Diagnosis for a Lump on a Six Month Old Female
- Single Most Likely Diagnosis
- Benign skin lesions (e.g., infantile hemangioma, congenital melanocytic nevus): These are common in infants and can present as a lump or bump on the skin.
- Other Likely Diagnoses
- Lymphadenopathy (enlarged lymph nodes): Can be caused by viral or bacterial infections, and is a common finding in infants.
- Soft tissue cysts (e.g., sebaceous cyst, epidermoid cyst): These can occur in infants and present as a lump or bump under the skin.
- Lipoma: A benign tumor made up of fat tissue, which can occur in infants.
- Do Not Miss Diagnoses
- Neuroblastoma: A type of cancer that can present as a lump in the neck, chest, or abdomen, and is more common in infants.
- Rhabdomyosarcoma: A type of soft tissue cancer that can occur in infants and present as a lump or mass.
- Teratoma: A type of tumor that can contain several different types of tissues, and can occur in infants.
- Rare Diagnoses
- Langerhans cell histiocytosis: A rare disorder that can cause lumps or bumps on the skin, as well as other systemic symptoms.
- Fibromatosis: A rare condition that can cause a lump or mass in the soft tissues.
- Vascular malformations (e.g., arteriovenous malformation): Abnormal formations of blood vessels that can present as a lump or mass.