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7 Possible Causes for Alopecia at the Occipital Defect

  • Knobloch Syndrome Type 1

    Patient 4.1: small bony occipital defect (arrowhead) with meningeal tissue communicating to subcutaneous tissue through the defect (L) on MRI.[doi.org] Patient 6.2: cutaneous alopecia overlying occiput (M). Patient 7: age 4 months, occipital encephalocele (arrowhead) (N and O) on MRI.[doi.org] Patient 3.2: small, well-corticated channel in the midline of the occipital lobe (arrowhead) (K) on computed tomographic scan.[doi.org]

  • Cutis Laxa

    , Cutis Laxa, and Scoliosis Mediastinal Emphysema Michelin Tire Baby Syndrome Nonspherocytic Hemolytic Anemia due to Glucose Phosphate Isomerase Deficiency Occipital Horn[rgd.mcw.edu] Syndrome pulmonary emphysema Red Cell Phospholipid Defect with Hemolysis Rh-Null Disease, Amorph Type SCARF Syndrome sickle cell anemia Stomatocytosis I Stomatocytosis II[rgd.mcw.edu] […] hemoglobinopathy hereditary elliptocytosis hereditary spherocytosis Lethal Congenital Nonspherocytic Hemolytic Anemia with Genital and Other Abnormalities Macrocephaly, Alopecia[rgd.mcw.edu]

  • Familial Cutaneous Collagenoma

    alopecia Tricuspid regurgitation Atrial Fibrillation Right Ventricular Cardiomyopathy Atrial Septal Defect Cardiomyopathy Angina pectoris Skin Nodule Skin benign neoplasm[familydiagnosis.com] […] collagenoma may include: Congestive heart failure Coronary Artery Disease Hypertrophic cardiomyopathy Hypocalcemia Vasculitis Autosomal dominant inheritance Congenital posterior occipital[familydiagnosis.com]

  • Monilethrix

    […] characterized by localized or diffuse alopecia resulting from hair fragility over friction areas, predominantly the temporal and occipital regions, and follicular keratosis[ijtrichology.com] Monilethrix is a heritable hair shaft defect characterized by localized or diffuse alopecia resulting from hair fragility over friction areas, predominantly the temporal and[scienceopen.com] […] and KEM Hospital, Mumbai, Maharashtra India Source of Support: None, Conflict of Interest: None DOI: 10.4103/0974-7753.66918 Abstract Monilethrix is a heritable hair shaft defect[ijtrichology.com]

  • Myopia Type 18

    Although occipital defects may be absent, abnormalities include a patch of alopecia (as seen in our patient), cutis aplasia or encephalocele.[reviewofophthalmology.com]

  • Cutis Laxa-Marfanoid Syndrome

    , Cutis Laxa, and Scoliosis Mediastinal Emphysema Michelin Tire Baby Syndrome Nonspherocytic Hemolytic Anemia due to Glucose Phosphate Isomerase Deficiency Occipital Horn[rgd.mcw.edu] Syndrome pulmonary emphysema Red Cell Phospholipid Defect with Hemolysis Rh-Null Disease, Amorph Type SCARF Syndrome sickle cell anemia Stomatocytosis I Stomatocytosis II[rgd.mcw.edu] […] hemoglobinopathy hereditary elliptocytosis hereditary spherocytosis Lethal Congenital Nonspherocytic Hemolytic Anemia with Genital and Other Abnormalities Macrocephaly, Alopecia[rgd.mcw.edu]

  • Ehlers-Danlos Syndrome Musculocontractural Type 2

    , Cutis Laxa, And Scoliosis AR 613075 Multiple Joint Dislocations, Short Stature, Craniofacial Dysmorphism, and Congenital Heart Defects AR 245600 Occipital Horn Syndrome[preventiongenetics.com] Laxa XL 300972 Larsen Syndrome, Dominant Type AD 150250 Loeys-Dietz Syndrome 1 AD 609192 Loeys-Dietz Syndrome 2 AD 610168 Loeys-Dietz Syndrome 3 AD 613795 Macrocephaly, Alopecia[preventiongenetics.com]

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