Esophagus seen after total thyroidectomy

Ultrasound imaging findings in a case of MNG, treated by total thyroidectomy:

* *Thyroid fossa is empty. This is expected after total thyroidectomy, as the thyroid gland has been removed.

* *Prominent esophagus in axial and long section ultrasound: This is also a normal finding after total thyroidectomy, as the esophagus often displaces into the thyroid bed after surgery. The esophagus is seen in the region of left thyroid fossa. It shows typical gut signature. 

* *Uniform echogenic texture of fibrofatty connective tissue in the thyroid bed: This is also a normal finding after total thyroidectomy, as the thyroid bed is filled with fibrofatty connective tissue after surgery.

In summary, the ultrasound imaging findings are consistent with a normal post-thyroidectomy appearance. There is no evidence of recurrent tumor or other pathology.

Additional details about the ultrasound imaging findings:

* The prominent esophagus is seen as a hyperechoic (bright) structure in the axial and long section images.

* The uniform echogenic texture of the fibrofatty connective tissue is seen as a homogeneously bright area in the thyroid bed.

* There are no nodules or other masses seen in the thyroid bed.

The ultrasound imaging findings are reassuring and suggest that the patient is doing well after total thyroidectomy.

In some cases there may be symptoms like dysphagia etc:

Symptom management: The management of symptoms caused by a mildly prominent esophagus can involve a combination of medical interventions and lifestyle modifications. These may include:

Medications: Depending on the symptoms, your doctor may prescribe medications such as proton pump inhibitors (PPIs) to reduce acid reflux or nonsteroidal anti-inflammatory drugs (NSAIDs) to reduce inflammation.

Dietary changes: Avoiding spicy, acidic, or fatty foods, eating smaller, more frequent meals, and avoiding lying down immediately after meals can help reduce symptoms.

Lifestyle modifications: Elevating the head of the bed while sleeping, maintaining a healthy weight, quitting smoking (if applicable), and managing stress levels can also be beneficial.

Further investigations: If symptoms persist or worsen despite initial management attempts, additional investigations may be necessary. These may include endoscopy, esophageal manometry, or barium swallow studies to evaluate the esophagus's structure and function.

Specialist referral: Depending on the underlying cause of the symptoms and the response to initial management, your doctor may refer you to a gastroenterologist or another specialist who can provide further evaluation and treatment.

Prognosis can vary depending on the specific cause of the symptoms and the individual's overall health. In many cases, with appropriate management, symptoms can be effectively controlled or resolved

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Thyroid ultrasound imaging

Sonography of thyroid

An old debate revisited RPOC vs AVM

This adult female patient underwent medical termination of pregnancy MTP 4 months ago. Now complains of pain in pelvis and discharge. Urine pregtest is negative at present. 

Ultrasound and color Doppler imaging revealed:

Can this be RPOC or retained products of conception with urine pregtest negative?

Yes, it is possible for a urine pregnancy test to remain negative in retained products of conception (RPOC) 4 months after an abortion. This is because the level of human chorionic gonadotropin (hCG) in the blood may not be high enough to be detected by a urine pregnancy test. hCG is a hormone produced by the placenta during pregnancy, and it is usually undetectable in the blood 2-3 weeks after a miscarriage or abortion. However, in some cases, the level of hCG may remain elevated for longer, even in the absence of a pregnancy. This is what is known as a "blighted ovum" or an "anembryonic pregnancy."

In cases of RPOC, the retained tissue may continue to produce hCG, even though it is no longer viable. This can lead to a false-negative urine pregnancy test, even if the woman is not actually pregnant.

Here are some additional things to keep in mind:

* The sensitivity of urine pregnancy tests varies, so it is possible that a negative test could be a false negative.

One of the closest differential diagnoses for RPOC is AVM:

How to differentiate between RPOC and AVM of uterus?

Some points on how to differentiate between RPOC in uterus and uterine AVM on ultrasound and color Doppler imaging:

* RPOC:

    * On ultrasound, RPOC may appear as a heterogeneous mass in the uterus, usually within the uterine cavity. 

    * On color Doppler imaging, RPOC may show areas of vascularity, but the vascularity is typically less pronounced than in AVM.

    * The peak systolic velocity (PSV) in RPOC is typically less than 100 cm/s.

* Uterine AVM:

    * On ultrasound, uterine AVM may appear as a hypervascular mass in the uterus.

    * On color Doppler imaging, uterine AVM shows a characteristic "mosaic" pattern of vascularity, with areas of high-velocity flow and areas of low-velocity flow.

    * The PSV in uterine AVM is typically high, often greater than 100 cm/s.

In addition to the above, there are some other factors that can help to differentiate between RPOC and AVM, such as:

* The patient's history: RPOC is more likely to occur in women who have had a recent miscarriage or abortion, while AVM is a rare condition that can occur in women of any age.

* The patient's symptoms: RPOC is more likely to cause symptoms such as vaginal bleeding, abdominal pain, and fever, while AVM may be asymptomatic or cause only mild symptoms.

* The results of other tests: A blood test to measure hCG levels may be helpful in differentiating between RPOC and AVM. In RPOC, the hCG levels will typically be elevated, while in AVM, the hCG levels will be normal.

Finally we arrive at a diagnosis of: RPOC in this case. 

MRI scan in uterine AVM can confirm the diagnosis of RPOC and rule out AVM:

MRI findings of AVM:

*Uterine enlargement: The uterus may be enlarged due to the presence of the AVM.

* Interruption of the uterine junctional zone: The uterine junctional zone is the area between the endometrium and the myometrium. It is normally seen as a thin, dark line on MRI scans. In patients with uterine AVM, the junctional zone may be interrupted or absent.

* Enlarged myometrial and parametrial vessels:

The myometrium is the muscular layer of the uterus. The parametrium is the tissue that surrounds the uterus. In patients with uterine AVM, the myometrium and parametrium may be enlarged due to the presence of the AVM.

*Flow voids: Flow voids are areas on MRI scans that appear dark because there is no blood flowing through them. In patients with uterine AVM, flow voids may be seen in the myometrium and parametrium. These flow voids represent the dilated blood vessels that are characteristic of AVMs.

* Dynamic MR angiography: Dynamic MR angiography is a type of MRI scan that allows doctors to see how the blood flows through the AVM. This information can be helpful in determining the best treatment options for the patient.

Overall, MRI scans can be a valuable tool in the diagnosis of uterine AVM. 

Images in this case are courtesy of Dr Golam. 

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A wierd S shaped gallbladder

 young adult female patient with an incidental finding, an S shaped gallbladder:

* The gallbladder is abnormally S shaped, with a curved or serpentine appearance.

* The gallbladder wall is normal in thickness.

* There are no gallstones or other abnormalities within the gallbladder.

The significance of an S-shaped gallbladder is that it is a benign condition that does not usually cause any symptoms. However, it can be a sign of other gallbladder problems, such as gallstones or cholecystitis. In the absence of any other abnormalities, an S-shaped gallbladder does not require any treatment.

Here are some additional points about S-shaped gallbladders:

* They are more common in women than in men.

* They are often found incidentally during ultrasound imaging for other reasons.

* There is no known cause of S-shaped gallbladders.

* They are not associated with any increased risk of cancer.

Ultrasound Images shown below:

How to differentiate S shaped gallbladder from Phrygian cap gallbladder:

An S-shaped gallbladder is a congenital anomaly in which the gallbladder has a serpentine or wavy appearance. The folding of the gallbladder wall can occur anywhere along the length of the organ, but it is most common in the fundus. An S-shaped gallbladder is usually asymptomatic and does not require any treatment.

A Phrygian cap gallbladder is another congenital anomaly in which the fundus of the gallbladder folds back on itself. This creates a cap-like structure that resembles the Phrygian caps worn by ancient peoples in Anatolia. Phrygian caps are the most common congenital anomaly of the gallbladder, and they are usually asymptomatic.

The main difference between an S-shaped gallbladder and a Phrygian cap gallbladder is the location of the fold. In an S-shaped gallbladder, the fold can occur anywhere along the length of the gallbladder, while in a Phrygian cap gallbladder, the fold always occurs at the fundus.

Another difference between the two anomalies is their appearance on imaging studies. An S-shaped gallbladder may appear as a wavy or serpentine structure on ultrasound or CT scan. A Phrygian cap gallbladder, on the other hand, typically appears as a round or oval structure with a cap-like projection at the fundus.

Both S-shaped gallbladders and Phrygian cap gallbladders are benign anomalies that do not require any treatment. However, they can sometimes be mistaken for other, more serious conditions, such as gallbladder cancer.

Here is a table that summarizes the key differences between S-shaped gallbladders and Phrygian cap gallbladders:

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 Gallbladder sonography

Hemorrhagic cyst of ovary

 A 28-year-old female patient with pain in the left pelvis and a 4 cm cyst in the left ovary that shows fine septae with a fish net appearance and is not vascular on color Doppler ultrasound:

Ultrasound images shown below:

Differential diagnoses:

* Hemorrhagic cyst: This is a type of cyst that is filled with blood. Hemorrhagic cysts are usually benign, but they can sometimes, though rarely, be a sign of ovarian cancer. This type of cyst usually resolves within a few weeks. 

* Functional cyst: This is the most common type of ovarian cyst and is usually benign. It can occur at any time during a woman's reproductive years, but is more common in women between the ages of 20 and 40. Functional cysts usually go away on their own within a few weeks.

* Dermoid cyst: This is a type of non-cancerous cyst that can contain a variety of tissues, including hair, skin, and teeth. Dermoid cysts are usually benign, but they can sometimes become cancerous.

* Serous cystadenoma: This is a type of benign cyst that is made up of serous fluid. Serous cystadenomas are usually small and do not cause any symptoms. However, they can sometimes grow large and cause pain.

* Endometrioma: This is a type of cyst that is caused by endometriosis. Endometriosis is a condition in which endometrial tissue that normally lines the uterus grows outside of the uterus. Endometriomas can be painful and can sometimes rupture.

* Ovarian cancer: This is a rare type of cancer that can develop in the ovaries. Ovarian cancer is more common in women over the age of 50, but it can occur at any age.

Various sonographic appearances of a hemorrhagic cyst of ovary:

• Fishnet weave or fine reticular pattern: This is the most common presentation of these cysts. There are multiple fine strands of fibrin giving a net-like appearance. This is also called a reticular pattern. The septations in the cyst are typically non vascular on color Doppler imaging and thin.
• Hypoechoic or anechoic with internal echoes: This appearance is seen in the early stages of a hemorrhagic cyst, when the blood is still liquid. The internal echoes may be seen as fine strands of fibrin or as a more solid mass.
• Echogenic with internal septa: This appearance is seen in the later stages of a hemorrhagic cyst, when the blood has begun to clot. The internal septa may be thin or thick, and they may be echogenic or hypoechoic.
• Complex with solid and cystic components: This appearance is seen in some cases of hemorrhagic cysts, when the cyst has become infected or has ruptured. The solid component may be a tumor, a blood clot, or an abscess.

In addition to these ultrasound appearances, a hemorrhagic ovarian cyst may also show the following features:

• A thin wall: The wall of a hemorrhagic ovarian cyst is typically thin, although it may become thicker if the cyst is infected or has ruptured.
• Posterior acoustic enhancement: This is a bright echo behind the cyst that is caused by the reflection of sound waves from the blood clot.
• Absence of blood flow on color Doppler imaging: Hemorrhagic ovarian cysts typically do not have any blood flow within them, although this may be seen in some cases if the cyst is infected or has ruptured.

The ultrasound appearance of a hemorrhagic ovarian cyst can vary depending on the stage of the cyst and the amount of blood that is present. In general, however, these cysts are typically hypoechoic or anechoic with internal echoes, and they may show a thin wall and posterior acoustic enhancement.

Prognosis:

The prognosis for this patient is generally good. Most functional cysts and hemorrhagic cysts go away on their own within a few weeks. Serous cystadenomas are also usually benign and do not cause any problems. Endometriomas can be painful, but they are usually not cancerous. Ovarian cancer is the most serious diagnosis, but it is still treatable if it is caught early.

Management:

The management will depend on the underlying diagnosis. If the cyst is a functional cyst, it is usually not necessary to treat it. However, the patient may be monitored with ultrasound scans to make sure that the cyst does not grow or cause any problems. If the cyst is a dermoid cyst, it may be removed surgically if it is causing symptoms or if it is large. Serous cystadenomas are usually not removed unless they are causing symptoms or if they are large. Endometriomas can be treated with surgery, medication, or a combination of both. 

Specific to hemorrhagic cyst:

* Hemorrhagic cysts are usually caused by a sudden bleed into a functional cyst.

* They are often painful, but the pain may go away on its own within a few weeks.

* If the cyst is large or causing severe pain, it may need to be removed surgically.

Overall:

The most likely diagnosis for this patient is a functional cyst or a hemorrhagic cyst. The prognosis for these conditions is generally good, and they usually do not require treatment. However, the patient should be monitored with ultrasound scans to make sure that the cyst does not grow or cause any problems. If the cyst is causing symptoms or if it is large, it may need to be removed surgically.

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Sonography of hemorrhagic cyst ovary

A case of retained products of conception

A young adult female had history of D & C done during early pregnancy. At present she has:

* Bulky uterus

* Retained products of conception

* Possible early partial gestational sac

* Large subchorionic hematoma

Ultrasound images shown below:

Prognosis:

The prognosis for this patient depends on the size and location of the retained products of conception. As the products are small and confined to the uterine cavity, they may be able to be removed with medication or a minor procedure. However, it must be noted that if the products are large or located in the uterine wall, they may require a more invasive procedure, such as a D&C or hysterectomy. This does not appear to be the case here. 

What is the management approach?

The management of this patient will depend on the findings of the ultrasound and the patient's clinical presentation. If the patient is experiencing heavy bleeding or cramping, she may need to be admitted to the hospital for observation and treatment. If the products of conception are small and confined to the uterine cavity, she may be able to be treated with medication or a minor procedure in the outpatient setting.

Some possible complications of this condition:

* Infection

* Hemorrhage

* Infertility

Some additional information about the ultrasound imaging findings:

* A bulky uterus is one that is larger than expected for the patient's gestational age. This can be caused by retained products of conception, a pregnancy, or other conditions.

* Retained products of conception are tissue that remains in the uterus after a miscarriage or abortion. This can cause bleeding, pain, and infection.

* A large subchorionic hematoma is a collection of blood that occurs between the chorion and the uterine wall. This can cause bleeding and pain.

Images in this case are courtesy of Dr Golam 

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Sonography of early pregnancy

An early pregnancy with a hitch

 Ultrasound imaging findings in an early pregnancy with a simple cyst in one ovary. 

* Viable 5-week-old embryo in intrauterine gestational sac

* Maternal right ovary showed a simple cyst of 4 cm size

* Cyst showed clear fluid content and no septae

* Color Doppler ultrasound confirms the presence of embryonic cardiac activity.

Ultrasound images of this case are shown below:

The prognosis: for this pregnancy is good. The presence of a viable embryo with cardiac activity at 5 weeks is a good indicator of a healthy pregnancy. The simple cyst on the right ovary is not a cause for concern and is likely to resolve on its own.

Sometimes, the cyst may enlarge and may need surgical intervention during pregnancy. 

The management: of this pregnancy will involve regular ultrasounds to monitor the growth and development of the embryo. The woman may also be advised to take prenatal vitamins and folic acid.

Here are some additional details about the ultrasound findings:

* The gestational sac is typically visible on ultrasound at 5 weeks of gestation.

* The yolk sac is a small sac that is attached to the embryo and provides it with nutrients in the early stages of development. It is typically visible on ultrasound at 5 weeks of gestation.

* The embryonic heart is the first part of the embryo to develop and is typically visible on ultrasound at 5 weeks of gestation.

Other advice:

The presence of all of these findings on ultrasound is a good indicator of a healthy pregnancy. The woman should continue to follow up with her doctor for regular ultrasounds to monitor the progress of her pregnancy.

Early pregnancy sonography

ultrasound imaging Ovarian cyst

Endometrioma left ovary or something else

This 32 year old female patient had history of painful menses with location to the left pelvis. 

Ultrasound imaging shows:

Cyst of 4 cms with ground glass internal echoes within it. Color Doppler ultrasound revealed no internal vascularity. 

The differential diagnoses include:

* Endometrioma: This is the most likely diagnosis, especially if the patient is a premenopausal woman. Endometriomas are benign cysts that are caused by the growth of endometrial tissue outside the uterus. They are typically found in the ovaries and can range in size from a few centimeters to several centimeters. On ultrasound, endometriomas appear as cystic lesions with diffuse low-level echoes, giving them a "ground glass" appearance.

* Hemorrhagic cyst: This is another possibility, especially if the patient is experiencing pain. Hemorrhagic cysts are cysts that have been filled with blood. They can occur in women of any age, but they are more common in women who are menstruating. On ultrasound, hemorrhagic cysts appear as cystic lesions with internal echoes that vary in appearance depending on the age of the blood.

* Dermoid cyst: This is a rare type of ovarian cyst that is made up of epidermal tissue. Dermoid cysts can contain a variety of materials, including hair, teeth, and bone. On ultrasound, dermoid cysts appear as cystic lesions with internal echoes that have a heterogeneous appearance.

* Ovarian cancer: This is a less likely diagnosis, but it is still possible. Ovarian cancer is a serious disease that can be fatal if it is not detected early. On ultrasound, ovarian cancer can appear as a cystic lesion with internal echoes, but it can also appear as a solid mass.

The management and prognosis of a left ovary cystic lesion with internal echoes showing ground glass appearance will depend on the underlying diagnosis. As, the diagnosis in this is most likely to be endometrioma, the patient may be treated with pain medication or hormonal therapy. If the diagnosis is a hemorrhagic cyst, the patient may be monitored with ultrasound to see if the cyst resolves on its own. If the diagnosis is a dermoid cyst, the cyst may be removed surgically.

The prognosis in this patient is generally good. Most likely cause being endometrioma of this lesion can be treated successfully. 

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Ultrasound imaging of endometrioma ovary