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Name these

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Reading File
Finding Sources
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Reading File
These concentric curved lines mapped across the face and neck are Langer's lines, also known as relaxed skin tension lines (RSTL) or cleavage lines.

What they are

  • They represent the natural orientation of dermal collagen and elastic fibers in the skin, running roughly perpendicular to the underlying muscles of facial expression (Fitzpatrick's Dermatology, p. 1351 section "Relaxed Skin Tension Lines").
  • First described by Karl (Carl) Langer, a 19th-century Viennese anatomist, after noting that round punctures in cadaveric skin produced elliptical (not circular) openings, revealing directional tension in the skin - Textbook of Family Medicine 9e.

Why they matter clinically

  • Surgical incision planning: Incisions and excisions placed parallel to these lines heal with thinner, less noticeable scars, because they run with (not against) the skin's natural tension - Schwartz's Principles of Surgery 11th ed; Gray's Anatomy for Students.
  • Forensic medicine: Stab/incised wounds made along these lines appear narrow and slit-like, while wounds across them gape open and appear wider/oval - a detail used in wound interpretation - The Essentials of Forensic Medicine and Toxicology, 36th ed.
  • Note: on the face specifically, these lines don't perfectly match older static published diagrams - real orientation is best identified in an upright, animated patient (e.g., asking them to smile, frown) since RSTL follow the subtle arcs of expression lines rather than a fixed grid.
So the diagram you're looking at is essentially a topographic map of skin tension lines (Langer's/RSTL) used to guide where surgical incisions should be placed for optimal cosmetic and functional outcomes.
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Identify the X ray

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X-Ray Identification

This is a cervical spine radiographic series, viewed as two images on a screen/monitor (photographed, hence the moire pattern and screen glare):

Top image — AP (anteroposterior) view of the cervical spine

  • Frontal projection showing the mandible/jaw at the top, with the cervical vertebral bodies and spinous processes lined up in the midline below it.
  • Used to assess vertebral alignment, disc space height, and lateral mass/facet symmetry.

Bottom image — Lateral view of the cervical spine

  • Classic side-on projection showing the stacked cervical vertebral bodies (C-spine) with intervertebral disc spaces, spinous processes posteriorly, and the airway (trachea) visible as a dark, air-filled column running anterior to the spine.
  • This view is the standard one used to evaluate:
    • Vertebral body alignment/fracture or subluxation
    • Prevertebral soft tissue space (measured at C2 and C6 levels) - widening suggests hematoma, abscess, or edema (Rockwood and Green's Fractures in Adults, 10th ed.)
    • Facet joint alignment, which should appear as stacked parallelograms on a well-positioned lateral film
There is a dense/bright irregular opacity near the lower cervical-shoulder region on the right side of the image - this could represent overlying hardware, a calcified structure, clothing/jewelry artifact, or needs clinical correlation; it isn't clearly identifiable from image quality alone (photo-of-a-screen artifacts and glare make fine detail unreliable).
The handwritten "CCP" note appears to be an identifier/label added by the ordering clinician or technologist rather than a standard radiologic finding or abbreviation.
Overall: this is a standard AP + lateral cervical spine series, most commonly ordered to assess for cervical trauma, vertebral alignment, or soft-tissue/airway abnormality in the neck. If you can share more context (patient history, reason for the study, or a clearer/higher-resolution capture of the actual film rather than a photo of a monitor), I can give a more specific read, particularly on that opacity near the shoulder.
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