External occipital protuberance bump pain, You might wonder what caused it and what it indicates

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External occipital protuberance bump pain, We would like to show you a description here but the site won’t allow us. Oct 31, 2025 · What causes a bump on occipital bone? Learn about the external occipital protuberance and other non-cancerous causes of a lump at the back of the skull. Read and know all about the external occipital protuberance bump, its anatomy, location, function and pain as well as look at its pictures. Nov 9, 2025 · Curious why you have a bony bump at the base of your skull? Discover the common causes behind an external occipital protuberance, from genetics to posture. Lateral to either side of this bump is a superior nuchal line (nuchal = “nape” or “posterior neck”). Jul 26, 2025 · A large occipital protuberance refers to a noticeable bony bump located at the back of the skull. Occipital Bone The occipital bone is the single bone that forms the posterior skull and posterior base of the cranial cavity (Figure 7; see also Figure 6). You might wonder what caused it and what it indicates. . A bump on the back of your head, called the external occipital protuberance, is normal. While this feature is often a normal variation in skull anatomy, its prominence can sometimes lead to discomfort or become a source of concern for individuals. On its outside surface, at the posterior midline, is a small protrusion called the external occipital protuberance, which serves as an attachment site for a ligament of the posterior neck. Nov 24, 2025 · The most common complaint is localized tenderness or discomfort, particularly when pressure is applied to the area, such as when lying on a firm surface. External occipital protuberance is normal anatomical entity, rarely it may show hyperostosis and may get prominent and causing pain and examination reveals presence of tender bony swelling. Occipital spurs, also called as occipital knob, occipital bun, chignon or inion hook, is an exaggerated external occipital protuberance (EOP). It is a frequent finding among males and hence a prominent occipital spur is often used in Concerns often arise regarding whether a prominent EOP, or external occipital protuberance bump, is indicative of an underlying medical condition, necessitating evaluation by healthcare professionals specializing in areas like physical therapy or orthopedics. Consider its size, texture, and duration to better understand it. However, new lumps or changes should be evaluated by a healthcare professional. This pain often results from the stretching of the periosteum, the connective tissue covering the bone, as the protuberance grows. It is frequently discussed in anthropological literature as a Neanderthal trait but hardly reported and considered as a normal variant in medical literature.

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