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Acanthocytes, from peripheral blood, under light microscopy. Note the irregularly shaped, non-circular cells in the image. Acanthocyte (from the Greek word ἄκανθα acantha, meaning 'thorn'), in biology and medicine, refers to an abnormal form of red blood cell that has a spiked cell membrane, due to thorny projections.
Neuroacanthocytosis is a label applied to several genetic neurological conditions in which the blood contains misshapen, spiculated red blood cells called acanthocytes. The 'core' neuroacanthocytosis syndromes, in which acanthocytes are a typical feature, are chorea acanthocytosis and McLeod syndrome.
English: Original caption: Complex lesion in the right upper lobe in a 61-year heavy smoker. Axial CT-image in lung window setting shows a 2.6 cm lesion with spiculated morphology, pleural tags and centrally small lucent foci, corresponding to the so-called “bubble-like-lucencies”.
Margin morphology: a spiculated margin is a risk factor for cancer. [8] Benign causes tend to have a well defined border, whereas lobulated lesions or those with an irregular margin extending into the neighbouring tissue tend to be malignant. [10]
In addition, AAH often lacks the solid features and spiculated appearance that are often associated with malignant growths. [9] In contrast, as adenocarcinoma becomes invasive it will more often cause retraction of adjacent pleura and may show an increase in vascular markings. Nodules >15 mm almost always represent an invasive adenocarcinoma ...
Scanning electron microscopy (SEM) of echinocytes Echinocyte compared to other forms of poikilocytosis. Echinocyte (from the Greek word echinos, meaning 'hedgehog' or 'sea urchin'), in human biology and medicine, refers to a form of red blood cell that has an abnormal cell membrane characterized by many small, evenly spaced thorny projections.
On mammography, ILC shows spiculated mass with ill-defined margins that has similar or lower density than surrounding breast tissues. This happens only at 44–65% of the time. Architectural distortion on surrounding breast tissues is only seen in 10–34% of the cases. It can be reported as benign in 8–16% of the mammography cases. [10]
Spicules are any of various small needle-like anatomical structures occurring in organisms . Spicule may also refer to: . Spicule (sponge), small skeletal elements of sea sponges