Bronchioloalveolar Carcinoma: Not as Easy as “BAC”

Bronchioloalveolar carcinoma masquerading as pneumonia.

Bronchioloalveolar carcinoma (BAC) is a relatively rare adenocarcinoma that typically arises in the lung periphery and grows along alveolar walls, without destroying the lung parenchyma. It is often multicentric and may arise from a previously stable scar. Because the parenchyma is preserved and because BAC may arise simultaneously in multiple lobes, the chest radiograph and symptoms (cough, ch...

Counting Chromosomes: Not as Easy as 1, 2, 3

Mammalian cells must count their X chromosomes to determine whether to initiate X chromosome inactivation. A region that may be important for X chromosome counting has been identified, but the puzzle pieces still do not quite fit.

Measuring hearing aid outcomes--not as easy as it seems.

Outcomes measurement in audiology has received much attention because of the need to demonstrate efficacy of treatment, provide evidence for third-party payment, carry out cost-benefit analyses, and justify resource allocation. Outcomes measurement shows the benefits obtained from a hearing aid and determines the costs of obtaining those benefits. In this article, we discuss why the seemingly s...

Cause-of-death certification--not as easy as it seems.

Paediatric aneurysmal bone cyst: not as easy as ABC

Aneurysmal bone cysts (ABCs) are expansile cystic lesions that can affect any bone of the body. Whilst these lesions are histologically benign, the lesions are locally aggressive and can affect the integrity of the affected bone as well as surrounding structures. ABCs arising in the head and neck region, particularly the paranasal sinuses are rare and they are limited to case reports in the lit...