 Medio-lateral view, 51 year old on Hormone Replacement Therapy, complains of lump in the medial side of the breast. Lump was palpable at approximately 3 o'clock posteriorly. Ultrasound was equivocal.
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A frontal CTLM image, with conventional MIP reconstruction, shows axial architecture and sub-areolar vascularity, (the intense white areas), both of which are normal, but there is a localized well circumscribed lucent, (avascular), area situated medially, around 3 o'clock (red arrows).
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The medio-lateral CTLM view shows what appears to be a large vessel (white), extending down from the subareolar area and bifurcating around the lucent area (red arrows).
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An FTB, (surface rendering), lateral CTLM image shows that the vascularity seen previously, (blue arrows), is in fact largely due to residual well-vascularized lobular tissue which has been pushed apart by a large cyst (red arrows). Confirmed by aspiration biopsy.
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